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Mint Error News Article List

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MINT ERRORS: Sales Prices for the Top 100

This is a list of the top 100 United States Mint Errors that have recently sold...

U.S. Mint Clarifies Ownership Of Error Coins

Tom Jurkowsky, director of the U.S. Mint’s Office of Public Affairs, issued a statement clarifying the Mint’s position that error coins leaving Mint legitimately are legal to own...

Former U.S. Mint Police Officer Admits Theft Of $2.4 Million In Error Coins

A former U.S. Mint Police Office has plead guilty to stealing $2.4 million worth of error coins...

In Memoriam: Allan Levy

Allan Levy was a specialist in Mint and Currency Errors for over 25 years...

USA Coin Album: It’s An Error To Call A Variety An Error

The simplest distinction is that a mint error is a random occurrence...

Prices Realized In The April 2011 Rosemont CSNS Heritage Auction

The following coins were in the April 2011 Rosemont CSNS Signature & Platinum Night US Coin Auction #1154 and Signature Currency Auction #3513...

Mint Errors Featured In The Upcoming June 2011 Long Beach Heritage Auction

The following coins are in the upcoming June 2011 Long Beach Signature US Coin Auction #1156...

PCGS Certifies 1905 Indian Cent Struck On A $2½ Gold Planchet

Exactly five Indian cents are known on gold planchets...

Prices Realized in the February 2011 Long Beach Heritage Auction

The following coins were in the February 2011 Long Beach Signature US Coin Auction #1152...

Prices Realized in the 2011 Sacramento ANA Heritage Auction

The following coins were in the March 2011 Sacramento Signature ANA US Coin Auction #1153...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 10/1/10 to 12/31/10...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 10/1/10 to 12/31/10...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 10/1/10 to 12/31/10...

Wisconsin Quarter "Extra Leaves"

Some recent sales of Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/1/10 to 12/31/10...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 10/1/10 to 12/31/10...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 10/1/10 to 12/31/10...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 10/1/10 to 12/31/10...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 10/1/10 to 12/31/10...

Other Sales Worth Mentioning

Some recent sales on eBay from 10/1/10 to 12/31/10...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 10/1/10 to 12/31/10...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 10/1/10 to 12/31/10...

Books on Foreign Errors

Here I will list error coin books from other nations outside US...

Summer 2010 & Current Error Market Conditions

We have made a very fair evaluation of the current Numismatic Error Market...

New Book: 100 Greatest US Error Coins

The newest entry in Whitman Publishing’s 100 Greatest series is a landmark book for collectors of error coins...

Prices Realized in the 2010 Central States Heritage Auction

The following coins were in the April-May 2010 Milwaukee, WI CSNS US Coin Auction #1139...

Prices Realized in the 2010 Boston ANA Heritage Auction

The following coins were in the 2010 August Boston, MA Signature ANA Coin Auction #1143...

Prices Realized in the September 2010 Long Beach Heritage Auction

The following coins were in the September 2010 Long Beach, CA Signature US Coin Auction #1144...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 7/1/10 to 9/30/10...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 7/1/10 to 9/30/10...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 7/1/10 to 9/30/10...

Wisconsin Quarter "Extra Leaves"

Some recent sales of Wisconsin Quarter "Extra Leaves" mint errors on eBay from 7/1/10 to 9/30/10...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 7/1/10 to 9/30/10...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 7/1/10 to 9/30/10...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 7/1/10 to 9/30/10...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 7/1/10 to 9/30/10...

Other Sales Worth Mentioning

Some recent sales on eBay from 7/1/10 to 9/30/10...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 7/1/10 to 9/30/10...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 7/1/10 to 9/30/10...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 4/1/10 to 6/30/10...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 4/1/10 to 6/30/10...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 4/1/10 to 6/30/10...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 4/1/10 to 6/30/10...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 4/1/10 to 6/30/10...

2 Feather Buffalo Nickel Sales

Some recent sales of 2 Feather Buffalo Nickels on eBay from 4/1/10 to 6/30/10...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 4/1/10 to 6/30/10...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 4/1/10 to 6/30/10...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 4/1/10 to 6/30/10...

Other Sales Worth Mentioning

Some recent sales on eBay from 4/1/10 to 6/30/10...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 4/1/10 to 6/30/10...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 4/1/10 to 6/30/10...

NGC Certifies A 1928 Standing Liberty Quarter Struck On A Cent Planchet

This extremely rare U.S. off-metal is valued at six-figures...

Mark Lighterman’s Recovered Mint Errors

Here are some photos of the spectacular major mint errors recently recovered...

World Paper Money Errors

Zyrus Press publishes a new book on World Paper Money Errors...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 1/1/10 to 3/31/10...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 1/1/10 to 3/31/10...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 1/1/10 to 3/31/10...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 1/1/10 to 3/31/10...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 1/1/10 to 3/31/10...

2 Feather Buffalo Nickel Sales

Some recent sales of 2 Feather Buffalo Nickels on eBay from 1/1/10 to 3/31/10...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 1/1/10 to 3/31/10...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 1/1/10 to 3/31/10...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 1/1/10 to 3/31/10...

Other Sales Worth Mentioning

Some recent sales on eBay from 1/1/10 to 3/31/10...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 1/1/10 to 3/31/10...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 1/1/10 to 3/31/10...

Prices Realized in the March 2010 Fort Worth, TX Heritage Auction

The following coins were featured in the March 2010 Fort Worth, TX Signature ANA US Coin Auction #1138...

Mint Errors Featured in the 2010 Central States Heritage Auction

The following coins are in the upcoming April-May 2010 Milwaukee, WI CSNS US Coin Auction #1139...

Prices Realized in February 2010 Long Beach Heritage Auction

The following coins were featured in the February 2010 Long Beach, CA Signature US Coin Auction #1137...

Prices Realized in January 2010 FUN Heritage Auction

The following coins were featured in the January 2010 Orlando, FL FUN US Coin Auction #1136...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 10/1/09 to 12/31/09...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 10/1/09 to 12/31/09...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 10/1/09 to 12/31/09...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/1/09 to 12/31/09...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 10/1/09 to 12/31/09...

2 Feather Buffalo Nickel Sales

Some recent sales of 2 Feather Buffalo Nickels on eBay from 7/1/09 to 12/31/09...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 7/1/09 to 12/31/09...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 7/1/09 to 12/31/09...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 7/1/09 to 12/31/09...

Other Sales Worth Mentioning

Some recent sales on eBay from 6/1/09 to 12/31/09...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 7/1/09 to 12/31/09...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 10/1/09 to 12/31/09...

Misdated Presidential Dollar Excites Error Collectors

This is the first time that the wrong date has been reported on an edge-lettered US dollar...

Stolen: 1922 $20 St. Gaudens Die Adjustment Strike

This mint error was recently stolen...

Jim’s Coins Error Auctions

MAIL BID SALE #37 CLOSES JANUARY 31, 2010...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 7/1/09 to 9/30/09...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 7/1/09 to 9/30/09...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 7/1/09 to 9/30/09...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 7/1/09 to 9/30/09...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 7/1/09 to 9/30/09...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 7/1/09 to 9/30/09...

Off-Metal Mint Errors

This list of known off-metal mint errors was compiled by Saul Teichman of uspatterns.com...

2009 Los Angeles ANA Photos

Here is a series of photos taken at the 2009 Los Angeles ANA...

PNG Members Recover Coins From 2001 Theft

A dozen of the 44 U.S. error coins stolen from an Indiana motel room in 2001 have been recovered...

Here are the remaining mint errors that Mark Lighterman had stolen and have not been recovered...

A dozen of the 44 U.S. error coins stolen from an Indiana motel room in 2001 have been recovered...

Prices Realized In September 2009 Long Beach Heritage Auction

The following coins were featured in the 2009 September Long Beach, CA Signature US Coin Auction 1129...

Prices Realized In December 2009 Houston Heritage Auction

The following coins were featured in the 2009 December Houston, TX US Coin Auction #1132...

Mint Errors & Die Trials Featured In Upcoming FUN Heritage Auction

The following coins are featured in the upcoming 2010 January Orlando, FL FUN US Coin Auction #1136...

Highest Prices Realized for Currency Errors in Heritage Auctions

Here is a compilation of the highest prices realized for Currency Errors in Heritage Auctions...

Mint Errors Featured In September 2009 Long Beach Heritage Auction

The following coins were featured in the 2009 September Long Beach, CA Signature US Coin Auction 1129...

Prices Realized in July 2009 Summer FUN Heritage Auction

The following coins were featured in the 2009 July West Palm Beach, FL (Summer FUN) Signature US Coin Auction #1127...

Highest Prices Realized for Die Trials & Splashers in Heritage Auctions

Here is a compilation of the highest prices realized for Die Trials & Splashers in Heritage Auctions...

Mid-Summer 2009 & the ANA Convention

How the error market is doing...

Jim’s Coins Error Auctions

MAIL BID SALE #35 CLOSES SEPTEMBER 30, 2009...

"World’s Greatest Mint Errors" Wins NLG Award For Best World Coin Book Of 2009

Mike Byers, author of World’s Greatest Mint Errors, was presented with the Numismatic Literary Guild (NLG) award...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 4/1/09 to 6/30/09...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 4/1/09 to 6/30/09...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 4/1/09 to 6/30/09...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 4/1/09 to 6/30/09...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 4/1/09 to 6/30/09...

2 Feather Buffalo Nickel Sales

Some recent sales of 2 Feather Buffalo Nickels on eBay from 1/1/09 to 6/30/09...

Blank Planchet Sales

Some recent sales of Blank Planchets on eBay from 1/1/09 to 6/30/09...

Rotated Reverse Sales

Some recent sales of Rotated Reverses on eBay from 1/1/09 to 6/30/09...

Double Struck Double Dated Sales

Some recent sales of Double Struck Double Dated mint errors on eBay from 1/1/09 to 6/30/09...

Counterfeit & Questionable Mint Error Sales

Some recent sales of counterfeit & questionable mint errors on eBay from 1/1/09 to 6/30/09...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 4/1/09 to 6/30/09...

Other Sales Worth Mentioning

Some recent sales on eBay from 1/1/09 to 6/30/09...

Prices Realized in August 2009 Los Angeles Heritage Auction

The following coins were featured in the 2009 August Los Angeles, CA US Coin Auction #1128...

World's Greatest Mint Errors Published

An enjoyable resource packed full of some of the most dramatic, rare and extraordinary mint errors...

Prices Realized in May 2009 Long Beach Heritage Auction

The following coins were featured in the May 2009 Long Beach, CA Signature US Coin Auction #1125 and Signature World & Ancient Coin Auction #3005...

Prices Realized in 2009 Central States Heritage Auction

The following coins were featured in the April-May 2009 Cincinnati, OH (CSNS) US Coin Auction #1124...

Prices Realized in February 2009 Long Beach Heritage Auction

The following coins were featured in the 2009 February Long Beach, CA Signature US Coin Auction #1122...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 1/1/09 to 3/31/09...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 1/1/09 to 3/31/09...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 1/1/09 to 3/31/09...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 1/1/09 to 3/31/09...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 1/1/09 to 3/31/09...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 1/1/09 to 3/31/09...

New From Krause Publications: Strike It Rich With Pocket Change...

This is the long awaited second edition to this Numismatic Literary Guild Award Winning book...

Mint Errors, Die Trials & Patterns in Long Beach Heritage Auction

The following coins were featured in the 2009 February Long Beach, CA Signature US Coin Auction #1122...

Prices Realized in FUN Heritage Auction

The following coins were featured in the 2009 January Orlando, FL FUN Auction #1121...

The FUN Convention: The error coin market as it looks today...

The FUN convention was much better than expected, especially for error coins...

1915 Panama-Pacific Half Dollar Struck in Gold Sells for $345,000 In Heritage Auction

These extremely rare patterns were clearly clandestine strikes, produced at the Philadelphia Mint before mintmark punches were applied to the working dies...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 10/1/08 to 12/31/08...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 10/1/08 to 12/31/08...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 10/1/08 to 12/31/08...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/1/08 to 12/31/08...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 10/1/08 to 12/31/08...

2 Feather Buffalo Nickel Sales

Some recent sales of 2 Feather Buffalo Nickels on eBay from 7/1/08 to 12/31/08...

Rotated Reverse Sales

Some recent sales of Rotated Reverse errors on eBay from 7/1/08 to 12/31/08...

Double Struck / Double Dated Sales

Some recent sales of Double Struck / Double Dated errors on eBay from 7/1/08 to 12/31/08...

Other Mint Error & Currency Error Sales

Some recent sales of Mint Errors & Currency Errors on eBay from 7/1/08 to 12/31/08...

Counterfeit & Questionable Mint Error Sales

Some recent sales of Counterfeit & Questionable Mint Errors on eBay from 7/1/08 to 12/31/08...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 10/1/08 to 12/31/08...

Jim’s Coins Error Auctions

MAIL BID SALE #31 CLOSES FEBRUARY 1, 2009...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 7/1/08 to 9/30/08...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 7/1/08 to 9/30/08...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 7/1/08 to 9/30/08...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 7/1/08 to 9/30/08...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 7/1/08 to 9/30/08...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 7/1/08 to 9/30/08...

Minnesota Doubled Die Sales

Some recent sales of Minnesota Doubled Dies on eBay...

Jim’s Coins Error Auctions

MAIL BID SALE #30 CLOSES NOVEMBER 30, 2008...

Prices Realized in Baltimore Heritage Galleries Auction

The following coins were in the 2008 July-August Baltimore, MD (ANA) US Coin Signature Auction #1114...

Prices Realized in Long Beach Heritage Galleries Auction

The following coins were in the 2008 September Long Beach, CA US Coin Signature Auction #1116...

Highest Prices Realized In Heritage Galleries Auctions

Here is a compilation of the highest prices realized for Mint Errors, Patterns and Die Trials in Heritage Galleries Auctions...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 4/1/08 to 6/30/08...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 4/1/08 to 6/30/08...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 4/1/08 to 6/30/08...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 4/1/08 to 6/30/08...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 4/1/08 to 6/30/08...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 4/1/08 to 6/30/08...

Other Mint Error Sales

Some recent sales of Mint Errors on eBay from 1/1/08 to 6/30/08...

PCGS Certifies Walking Lib 50¢ Double Struck 50% Off-Center On A Silver Quarter Planchet

This unique and spectacular Walking Liberty Half Dollar major mint error is among the rarest and most valuable U.S. mint errors known...

NGC Confirms Major Hub Variety of 2008-W Silver Eagles

NGC has confirmed that 2008-W Uncirculated Silver Eagles were struck with two different reverse types...

Mint Errors & Patterns Featured in Heritage Galleries Auction

The following coins are the upcoming 2008 July-August Baltimore, MD (ANA) US Coin Signature Auction #1114...

Prices Realized in Long Beach & West Palm Beach Heritage Galleries Auctions

The following coins were in the 2008 May Long Beach, CA Signature Auction #1108 and the 2008 June West Palm Beach, FL (Summer FUN) Signature Coin Auction #1110...

Jim’s Coins Error Auctions

MAIL BID SALE #28 CLOSES JULY 31, 2008...

Prices Realized in Heritage Galleries Auction at Central States

The following coins were in the April 2008 Rosemont, IL (CSNS) Signature Coin Auction #1104...

Dual Dated Double Denomination Errors

There are approximately twenty examples known for all combined dates & denominations...

Washington Dollar Missing Edge Lettering Mint Errors

My numismatic adventure began on a Sunday evening in late February 2007...

1798 Large Cent First Strike Brockage Sells For $27,600

From the Heritage Galleries auction listing...

Triple Struck 1891 $5 NGC Proof 64

From the Heritage Galleries auction listing...

Prices Realized in Recent Heritage Galleries Auction in Long Beach

The following coins were in the 2008 February Long Beach, CA Signature Coin Auction #460...

Prices Realized in Recent Heritage Galleries Auction in Phoenix

The following coins were in the 2008 March Phoenix, AZ (ANA) Signature Auction #1102...

Mint Errors Featured in Heritage Galleries Auction at Central States

The following coins are in the April 2008 Rosemont, IL (CSNS) Signature Coin Auction #1104...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 1/1/08 to 3/31/08...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 1/1/08 to 3/31/08...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 1/1/08 to 3/31/08...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 1/1/08 to 3/31/08...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay...

Minnesota Doubled Die Sales

Some recent sales of Minnesota Doubled Dies on eBay...

The Only Known Certified Gold Die Cap

This is the only known obverse or reverse die cap struck in gold...

1969-S Lincoln Cent Doubled Die Sells For $126,500

From the Heritage Auction Listing...

Mint Errors Featured in Heritage Galleries Auction at FUN

The following coins were in the 2008 January Orlando, FL (FUN) Signature Coin Auction #454...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 10/01/07 to 12/31/07...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 10/01/07 to 12/31/07...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 10/01/07 to 12/31/07...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/01/07 to 12/31/07...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay...

Other Mint Error Sales

Some recent sales of mint errors on eBay...

Jim’s Coins Error Auctions

MAIL BID SALE #25 CLOSES JANUARY 31, 2008...

PCGS Certifies Jefferson Dollars With Missing Edge Lettering

PCGS just certified a small group of Jefferson Dollars that are Missing the Edge Lettering...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 7/1/07 to 9/30/07...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 7/1/07 to 9/30/07...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 7/1/07 to 9/30/07...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 7/1/07 to 9/30/07...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay...

Minnesota & Oregon Doubled Dies

Some recent sales of Minnesota & Oregon Doubled Dies on eBay...

Overlooked Error Coin Series

How about collecting a very under-collected series that stand to have great growth potential...

Mint Error Collection Sold

Here is a selection of interesting items from this collection...

Jim’s Coins Error Auctions

MAIL BID SALE #24 CLOSES NOVEMBER 30, 2007...

Prices Realized in Recent Heritage Auction

The following mint errors sold in the 2007 September Long Beach, CA Signature Coin Auction #446...

Jim’s Coins Error Auctions

MAIL BID SALE #21 CLOSES OCTOBER 1, 2007...

World's Greatest Mint Errors

Coming soon, a new book by Mike Byers...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 4/1/07 to 6/30/07...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 4/1/07 to 6/30/07...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 4/1/07 to 6/30/07...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 4/1/07 to 6/30/07...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay...

Other Mint Error Sales

Some recent sales of mint errors on eBay...

Are Error Coins Too Highly Priced?

Error coins have made great strides over the years in popularity and price gains...

“In God We Trust” Amendment Passes

The words “In God We Trust” may no longer appear on the edge of the coins...

Spectacular Mint Errors Featured in Upcoming Heritage Auction

The following coins are featured in the upcoming 2007 Milwaukee, WI (ANA) Signature Coin Auction #444...

Mint Errors, Die Trials & Mules: Prices Realized in Recent Heritage Auctions

The following coins sold in the 2007 January Orlando, FL (FUN) Signature Coin Auction #422, the 2007 ANA Charlotte National Money Show Auction, Presented by Robert Korver #432 and the 2007 St. Louis, MO (CSNS) Signature Coin Auction #434...

Washington Dollar Mint Error Introduction

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Inside Minting: 2007 George Washington Dollar Missing Edge Lettering and Other Errors

Aside from missing the edge lettering, other edge letter anomalies are being discovered...

Washington Dollar Mint Errors

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Director of U.S. Mint Autographs NGC Certified “Missing Edge Lettering” Presidential Dollar Mint Error

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Altered Washington Dollars Surface

Presidential Dollars are filed to resemble widely publicized Missing Edge Lettering examples...

PNG Experts Warn of Altered, No Edge-Lettering Dollars

The altered coins are deliberately machined down until the lettering on the edges disappears...

Missing Edge Lettering Mint Errors From Denver

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

The NEW Washington Dollar Errors

Wow, talk about a HOT new subject...

Presidential Dollar Errors

These Washington dollar coins were immediately scrutinized by the error/variety collectors who search for the slightest die variance...

Washington Dollar Mint Errors Sales

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

PCGS Certifies Presidential Dollar Blank Planchet with Edge Lettering

The first known lettered-edge, blank planchet Presidential dollar was discovered...

NGC Certifies Presidential Dollar With No Edge Lettering and Reverse Clad Layer Missing

This fantastic multiple error Washington Dollar was discovered...

Other Washington Dollar Mint Errors

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Population Reports & Estimates

There has been wide speculation regarding the total number of Washington Dollars that are missing the edge lettering...

Cap Bust Half Missing Edge Lettering

Here is a spectacular 200 year old Cap Bust Half Dollar with no edge lettering...

Off Center Errors

Some recent sales of off-center mint errors on eBay from 1/1/07 to 3/31/07...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 1/1/07 to 3/31/07...

Waffle Coins

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 1/1/07 to 3/31/07...

Mint Errors on Doubled Dies

Some recent sales of mint errors on doubled dies on eBay from 1/1/07 to 3/31/07...

Spectacular Mint Errors Featured at Central States by Heritage Auction Galleries

The following mint errors are featured in the upcoming Heritage Auction Galleries 2007 St. Louis, MO (CSNS) Signature Coin Auction #434...

Unique 1866 $2½ Struck on 3 Cent Nickel Planchet Certified by NGC

It is one of two known U.S. Liberty gold coins struck on wrong planchets and certified by either NGC or PCGS as a mint error...

Mint Error Prices Realized in Heritage Galleries FUN Signature Coin Auction

The following mint errors sold in the 2007 Orlando, FL (FUN) Signature Coin Auction #422...

Off Center Errors

Some recent sales of off-center mint errors on eBay from 10/1/06 to 12/31/06...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 10/1/06 to 12/31/06...

Waffle Coins

Some recent sales of Waffle Coins on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/1/06 to 12/31/06...

Other Mint Error Sales

Some recent sales of mint errors on eBay from 7/1/06 to 12/31/06...

One-sided Doubling From Direct Die Contact: An Overview

Over a dozen different forms of raised, one-sided doubling are currently recognized...

2007 Looks Like A Happy, Happy New Year

By all the signs of the FUN Convention, error coins continue to be one of the hottest parts of the Numismatic market...

Spectacular Mint Errors Featured in Upcoming Heritage Galleries Auction

The following mint errors are featured in the upcoming Heritage Galleries 2007 Long Beach, CA Signature Coin Auction #430...

NGC Brings VarietyPlus Catalog Online

A comprehensive listing of all the variety coins currently attributed by NGC has been added to NGC’s website...

A Study of World Mis-Struck Coins

This chart covers India striking errors through 1994...

Jim’s Coins Error Auctions

MAIL BID SALE #18 CLOSES JANUARY 31, 2007...

Mike Byers' Catalog

Featuring a premier inventory with hundreds of rarities....

Off Center Errors

Some recent sales of off-center mint errors on eBay from 7/1/06 to 9/30/06...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 7/1/06 to 9/30/06...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 7/1/06 to 9/30/06...

Other Mint Error Sales

Some recent sales of mint errors on eBay from 7/1/06 to 9/30/06...

Radically Misaligned Die Clashes in Recent Lincoln Cents

One of the more common mishaps to plague coinage presses since their very inception is “clashed dies”...

A Study of World Mis-Struck Coins

This chart covers Australian striking errors from 1944 to 1995...

Spectacular Mint Errors Sold In Recent Heritage Galleries Auctions

The following mint errors sold in recent Heritage Galleries Auctions in Denver and Long Beach...

NGC Certifies 1804 $2½ Capped Bust Double Struck First Strike Off-Center

All major mint errors on U.S. Gold coins are very rare...

Off Center Errors

Some recent sales of off-center mint errors on eBay from 4/1/06 to 6/30/06...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 4/1/06 to 6/30/06...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 4/1/06 to 6/30/06...

Other Mint Error Sales

Some recent sales of mint errors on eBay from 4/1/06 to 6/30/06...

A Study of World Mis-Struck Coins

This chart covers Mexican striking errors from 1536 to 1991...

“Invisible Strike” in a West Virginia Quarter

An invisible strike occurs when the dies are out of adjustment...

Is the Error Coin Market Taking a Breather?

The prices are NOT going down, but are staying stable at their current heights...

Spectacular Mint Errors Featured in Upcoming Heritage Galleries Auction

The following mint errors are featured in the upcoming Heritage Galleries August 2006 Denver, CO Signature & Platinum Night Auction #414...

Jim’s Coins Error Auctions

MAIL BID SALE #15 CLOSES JULY 31, 2006...

Spectacular Ike Dollar Off-Metal Collection

These are the ultimate off-metals that are coveted by serious collectors of major mint errors...

1806 $5 Capped Bust Struck Four Times

This discovery coin is a significant numismatic rarity...

Cent/Dime Mule Sold for $138,000 in Heritage Auction at Central States

This incredible error somehow escaped the scrutiny of Mint employees...

Jim’s Coins Error Auctions

MAIL BID SALE #14 CLOSES MAY 31, 2006...

NGC Certifies Double Struck Carson City Morgan Dollar

This is the most significant error coin that NGC has seen in a GSA holder...

1965 Kennedy Half Dollar Struck on an Ultra-Thin, Low-Density Planchet

NGC had labeled it as having been struck on “10c thickness stock”...

Off Center Errors

Some recent sales of off-center mint errors on eBay from 1/1/06 to 3/31/06...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 1/1/06 to 3/31/06...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 1/1/06 to 3/31/06...

Banana Note Sells For $25,300

This colorful error is commonly referred by collectors in the numismatic fraternity as “The Del Monte Note”...

1822 Error Quarter Brings $195,500 in Heritage Palm Beach Auction

Apparently the Finest Known of this extremely popular variety...

Unique Errors Featured in Upcoming Heritage Auction at Central States

From the Heritage Galleries Auction Listings...

A Study of World Mis-Struck Coins

This chart covers German striking errors from 1790 to 1990...

Jim’s Coins Error Auctions

MAIL BID SALE #13 CLOSES MARCH 31, 2006...

January 2006 Mint Error & Die Trial Auction Prices Realized

The prices were extremely strong as mint errors continue to bring record prices...

Jim’s Coins Error Auctions

MAIL BID SALE #12 CLOSES JANUARY 31, 2006...

Off Center Errors

Some recent sales of off-center mint errors on eBay from 10/1/05 to 12/31/05...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay from 10/1/05 to 12/31/05...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay from 10/1/05 to 12/31/05...

Other Mint Error Sales

Some recent sales of mint errors on eBay from 10/1/05 to 12/31/05...

A Study of World Mis-Struck Coins

This chart covers Canadian striking errors from 1740 to 1997...

Foreign Coinage Production Figures

An expansive document detailing mintages of foreign coinage struck by the US Mint...

Mint Errors and Die Trials Bring Record Prices in 2006 FUN Heritage Auction

From the Heritage Galleries 2006 January Orlando, FL (FUN) Signature Auction listings...

Mike Byers' Catalog

Featuring a multi-million dollar inventory with hundreds of rarities....

Big Expectations for 2006

2006 is upon us, expect BIG things from Errors...

Jim’s Coins Error Auctions

MAIL BID SALE #11 CLOSES NOVEMBER 30, 2005...

Double Struck 4 Pence Lord Baltimore Piece Sold For $40,250 In Heritage Auction

Not only is this remarkable example important because of its condition, but also because it is fully double struck...

Berlin Mint Video

Here is a 15 video from the Berlin Mint in Germany as the new 2 Euro dies and coinage are produced...

$80 Nickel Sells for $264,500 in Heritage Auction

This is one of the rarest and most popular 20th century error coins...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay...

Clad Layer Split Off Errors

Some recent sales of clad layer split off mint errors on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay...

Waffle Coins

Some recent sales of Waffle Coins on eBay...

A Study of World Mis-Struck Coins

This chart covers English striking errors from 1600 to 1995...

Jim’s Coins Error Auctions

MAIL BID SALE #10 CLOSES SEPTEMBER 30, 2005...

1975 Catalog & Price List

A 3 decade old mint error catalog and price list have been found...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay...

Clad Layer Split Off Errors

Some recent sales of clad layer split off mint errors on eBay...

Buffalo Nickel "Speared Bison" & Wisconsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Wisconsin Quarter "Extra Leaves" mint errors on eBay...

How HOT is the error coin market?

Prices are rising so fast we can hardly keep up with it...

Canadian on Foreign Overstrikes

A collection of Canadian mint errors...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay...

Clad Layer Split Off Errors

Some recent sales of clad layer split off mint errors on eBay...

1891 $5 Triple Struck Proof 64 NGC Mint Error Offered in Heritage Long Beach Signature Sale

This is an amazing Proof half eagle that was triple struck with rotation between strikes on the reverse...

Double Struck 1800 $10 Eagle Featured in Upcoming Heritage Galleries Auction

Only 5,999 pieces were struck of the 1800 ten dollar, making it a scarce date among early gold coins...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay...

Clad Layer Split Off Errors

Some recent sales of clad layer split off mint errors on eBay...

Insurance Considerations

Insurance carriers will vary throughout the World on the amount they insure and the contents of a single separate safe...

Unique NGC Set of Paraguay Overstrikes

Nineteenth century Paraguay patterns that were overstruck on previously struck gold, silver and copper coins...

Double Struck $2 ½ Indian Sells for $66,125 at FUN in Heritage Galleries Auction

This dramatic and unique double struck $2 ½ Indian set a record price for a $2 ½ Indian Gold mint error...

Off Metal Errors

Some recent sales of off-metal mint errors on eBay...

Heritage to Auction Part Two of the Larry Rausch Collection of Error Coins at FUN 2005

Many collectors search for years for the kinds of dramatic errors seen in this collection without much success...

Around The World - Updating Activity In & Around Error World

Error World Groups continue the steady growth and coin collecting is still a hot topic...

Pair of 1806 Draped Bust Quarter Obverse & Reverse Brockages

These two mirror brockages of 1806 Draped Bust Quarters are spectacular and are among the rarest U.S. type errors...

Mike Byers' Catalog

Featuring a multi-million dollar inventory with hundreds of rarities....

A Report on the ANA and Mint Errors

Mint errors continue to be one of the strongest segments of numismatics today...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Around The World - Updating Activity In & Around Error World

Error World Groups continue the steady growth and coin collecting is still a hot topic...

The 2004 ANA Convention And The Error Coin Market

Error coins sales are stronger than ever...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Around The World - Updating Activity In & Around Error World

Error World Groups continue the steady growth and coin collecting is still a hot topic...

Thoughts on Coin Certification

Have grading services enhanced or detracted from our collecting experience...

Safe Locks

Without a good high security lock you do not have maximum security...

Do You Have The Right Fire Protection?

When one starts to consider an adequate safe to protect one's assets...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Around The World - Updating Activity In & Around Error World

Error World Groups continue the steady growth we are all familiar with...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Around The World - Updating Activity In & Around Error World

Error World Groups continue the steady growth we are all familiar with...

World Mints Deface Coins With “Waffle Designs”

Mints around the world have been cancelling (defacing) coins for many years...

1904 $20 Liberty Triple Struck Sells For Over $100,000

This unique U.S. Gold major mint error recently sold for a record price of $102,500...

PCGS Certifies Rare U.S. Silver Dollar Pattern as a Mint Error

Major Mint Errors on Proof U.S. Patterns are very rare...

2004 FUN Show and the Error Coin Market

By all reports it was the BEST show in 20 years...

Mint Error News Magazine Contest Winner

The winner of the Mint Error News Magazine contest for the best article submitted is...

Numismatic Musings

Thoughts from a curious mind...

Photos From The Mint

I recently toured the U.S. Mint in Philadelphia...

Mike Byers' Catalog

Featuring almost 400 U.S. & World Major Mint Errors and Die Trials with a value of nearly $4 million...

Discount Coupons for 2004

The coupons that Mike Byers, Tim Bullard and Allan Levy have...

A New Book By Mike Byers

Coming Soon: Mint Error Guide...

Off Center Errors

Some recent sales of off-center mint errors on eBay...

Around The World - Updating Activity In & Around Error World

As the end of the year approaches, it has been very busy throughout EW Groups...

U.S. Mint Uses Schuler Presses

Recently, the United States Mint has been using Schuler presses to strike our coinage...

Triple Struck $3 Sells for $41,400 in Superior Auction

Mike Byers of Byers Numismatic Corp. purchased an extremely rare major mint error...

Mint Error Dealer Pete Bishal Passed Away

A true numismatist, he spent his life giving to the hobby he loved...

Off-Center Errors

Some recent sales of off-center mint errors on eBay...

V Nickels On Cent Planchets

I have recorded the following examples thus far...

Error Oddity Coins - What Are They?

The first step in understanding Error-Oddity coins is to know what they are...

NGC Certifies Unique Martha Washington Cent Test Piece

This is a Martha Washington test piece struck in 1999/2000...

Unique Gold Brockage Sells For Record Price of $75,000

This is the only known full brockage on any U.S. Gold Coin of any denomination...

How To Use The Auctions Without Getting Skinned

Be a wise bidder and you will almost always be a satisfied buyer...

Humidity - The Silent Attacker

It is well known that humidity affects the condition of any item...

“Around The World”

Updating activity in and around Error World Groups...

85 Reasons to Collect Error Coins

All answers have been posted by fellow error coin collectors...

Martha Washington Dime Sells For $51,750

To date, this is the only known Martha Washington Test Piece on a Dime blank...

Why Do You Collect Error Coins?

There are almost as many different reasons as there are error coin collectors...

Off-Center Errors

Some recent sales of off-center mint errors on eBay...

Coin Collecting and "Change"

If you've been thinking of joining a club...

ANA Gets Serious About Quality Of Third Party Graders

After 30 years of collector frustration, an attempt at correcting this problem may be at hand...

Another Proof Sac Dollar Die Crack

There are now two different obverse die cracks...

The US Mint Installs Equipment To Destroy Errors

This is big news in the mint error hobby...

Foreigners in the Mint

The United States Mint struck coins for foreign countries starting in 1833...

What The Numbers Mean

In the study of mint errors and varieties, identification numbers are even more abundant than with the regular segment of the hobby...

Incomplete Planchets

There are several types of incomplete planchets...

What Are Doubled Dies?

A concise description of how doubled dies occur...

Error World Club

Error World Club is based upon the idea that an internet club can be better than the on-line standard...

Chile 10 Pesos Double Struck on Feeder Finger

This is one of the most incredible and spectacular Major Mint Errors that has ever surfaced...

Minterrornews.com welcomes Error World Club As Sponsor

Minterrornews.com welcomes Error World Club as a new sponsor to the website...

1865 2¢ Obverse Die Cap & Brockage Sells For Record Price

This spectacular 2¢ Die Cap traded hands three times at the Long Beach Coin Show last week...

Al's Perspective on 2002 & 2003 Errors...

I recently wrote about why there were not any 2002 errors being offered for sale...

Minterrornews.com Announces A New Price Guide Section

Check it out...

1943-D Copper Cent Brings $212,750 In Goldberg's Auction

Here are the prices realized...

“Shrunken Coins” and How to Recognize Them

A significant number of these are now in the hands of experimenters and collectors throughout the world...

Where Have All of the Coins Gone?

The U.S. produced its first “coin” in 1792 and has been pumping them out non-stop for the next 200+ years...

Is a “Double Error” Large Cent More Valuable?

How rare is this “double error” large cent in comparison to “single error” off center large cents...

Minterrornews.com Announces New Magazine

It's totally free! It will have articles, a price guide, features, discoveries, discount coupons...

The Real Story Behind The Feeder Finger Find

...

Superior Galleries Auction Features Triple Struck $20 Liberty & Other Major Mint Errors

Featured are many major mint errors including...

(2) 1943 Copper Cents Featured In Goldberg Auction

February 24 & 25, 2003 The Benson Collection Part III...

Pattern or Mint Error?

This piece is actually one of several pieces listed in the pattern references that is, in reality, a mint error...

Wow, Error Prices Have Changed

I remember buying my first off-center penny for 35 cents in 1973...

Where are all those 2002 errors?

A 1¢ 2002-D 50% O/C sold on eBay for $705...

Message From The Editors

We encourage all collectors and dealers to submit their articles, discoveries and scans of their major mint errors...

Clad Missing State Quarters

Ever since I purchased a computer a few years ago and spotted my first clad missing state quarter...

Eureka Trading Systems Introduces Error Section

Error section added to this brand new site...

CoinFacts.com: A Great Error Coin Resource

Their error coin section contains explanations and illustrations...

Uspatterns.com Announces Mint Error Section

Coins thought to be patterns but are actually mint errors instead...

Specific Gravity

Many people believe that this test is too complicated and/or requires costly equipment to be properly performed. This is not the case...

Jim’s Coins Error Auctions

Auction J-48 Closes November 30, 2011…

5 Crowns Struck In Gold

Only one was approved as a final production piece...

World Errors

It is the first euro/non-euro transitional error coin I have encountered...

Presentation Set of Federal Reserve Proofs

These Proofs were printed from the actual currency plates on to card stock...

World Errors

I wanted to share these world errors that I’ve recently purchased with the readers of Mint Error News Magazine...

Proof U.S. Quarter Struck Over Canadian Quarter

This is a dramatic mint error since it involves two different countries and 29 years between strikes...

Walking Liberty Half Dollar Off-Metals

This spectacular 1945 Walking Liberty Half Dollar was struck on a Dime planchet...

Variety vs. Mint Error

Are you confused about varieties and mint errors...

Proof Paper Impressions

These previously unknown examples of Proof Trial strikes were produced at the San Francisco Mint...

National Gold Bank Note Face Specimens

Here is a set of National Gold Bank Not Face Specimens from The Kiddler National Gold Bank of Boston...

1923 Peace Dollar Clipped Planchet GSA Soft Pack MS 64 NGC

It is exciting that this mint error is still in the U.S. Government GSA Soft Pack holder...

Small Dollars Missing Edge Lettering

A comprehensive photographic overview of small dollar coins exhibiting a very popular type of error...

2 Double Denomination National Bank Notes

Here are the finest known and unique pair of Double Denomination U.S. $20 & $10 National Bank Notes from 1882...

Five-Piece Set of No ‘S’ Proof Coins

This Five-Piece Set of No ‘S’ Proof Coins is featured in the upcoming 2010 April-May Milwaukee, WI CSNS US Coin Auction #1139...

NGC Error Coin Gallery

State Quarter mint errors are very popular with collectors...

1964 Double Denomination Errors

Double Denomination U.S. mint errors are very popular and in great demand by mint error collectors...

NGC Certifies Standing Liberty Quarter Struck On A Cent Planchet

Major Standing Liberty Quarter errors are extremely rare...

PCGS Certifies Type 2 $1 Gold Piece Full Brockage Reverse

This unbelievable U.S. Gold Brockage recently surfaced at the 2009 ANA held in Los Angeles...

Having Residual Concerns About Residue?

A closer look at “residue” on the surface of coins...

Indian Cent Mint Error Collection

NGC recently certified Xan Chamberlain’s personal collection of Indian Head Cent errors...

How To Tell A Premium Off-Metal Mint Error

What can determine an average off-metal error to a premium error...

Historical Test Strike From Sweden

This object is a part of my collection of Swedish pattern coins...

1971 Swedish Bonded One Kronas

To this day, this is the only known bonded Swedish coin...

Canadian Mint Errors

I collect major Canadian mint errors and would like the readers of Mint Error News Magazine to enjoy them too...

Presenting The World’s Most Valuable Major Mint Error!

PCGS Certifies the Finest Known Indian Head Cent Struck in Gold...

Curved Clip Coins

Learn the Diagnostics of Authentic Mint Made Curved Clips...

Pattern Overstrike Certified by NGC

Previously Unreported and Believed to be Unique...

Rare Russian Swedish Overstriking

It was first struck as a Swedish 1 öre SM 1746 and then overstruck in Russia as a 1 Kopek 1758...

Story of the Bolivia 1942 50 Centavos Struck at the Philadelphia Mint on US Wartime Nickel Planchet

It stands as the only, and therefore finest known example...

2000-P “Cheerios” Dollar

Nearly all known examples were originally found in occasional boxes of Cheerios cereal...

Sacagawea Mated Pair

Here is one of the most exciting mated pairs of U.S. coins that I have ever handled...

The United States Department of the Treasury $100 Specimen Note

The specimen featured here included information from the United States Department of the Treasury regarding new security features...

What Is A Variety?

There seems to be some confusion as to exactly what constitutes a variety...

2007 Denver Errors

Even though the U.S. Mint has drastically reduced the inadvertent release of major mint errors in the last few years, a few mint errors struck by the Denver Mint in 2007 recently surfaced...

1984 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

1903 Louisiana Purchase Three-Piece Cardboard Die Trial Certified By NGC

The cardboard has a rich, deep gold color, obviously meant to suggest the gold dollars that were soon to be struck...

Certified But Not Graded: Adjustment Strikes, Struck Thrus and Other Mint Errors

There are a few types of error coins that are eligible for NGC certification, but do not receive a grade...

NGC Certifies Previously Unaccounted 1943-S Bronze Cent

A previously unrecorded 1943-S Lincoln cent, erroneously struck on a bronze planchet and found in circulation by a teenaged collector over a half century ago, was recently certified...

South American Error Coins

Here are some photos of South American Error Coins that were submitted by one of our readers...

50 Year Old Crazy Kid

Then I started hearing about the “error” coins being found and I went into a new frenzy looking closely at all my state quarters...

1983 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

1903 Louisiana Purchase Three-Piece Cardboard Die Trial

Cardboard impressions are obviously rare but they date back to 1849 for the gold dollar...

1983 China Mint Tour

I have had the opportunity to take numerous tours of the official government-run Shanghai Mint through the years...

A Quartet of Swedish Double-Strikes

I wanted to share this group of four 5 öre coins from the last 100 years of Swedish coinage...

Unique Gold Solidus

The coin has two reverse sides...

World Errors

Here are some more rare and unusual major mint errors from around the world...

1982 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

World Errors

Here are a few of the more dramatic ones...

Presidential $1 Error Coins: James Monroe

NGC has certified a few James Monroe $1 edge lettered planchets...

Chile and Costa Rica Errors

One of the readers of Mint Error News Magazine wanted to show three of his world errors from South America...

Unique Fold-Over Clock

This fold-over clock represents the only known clock of twelve fold-over Cents...

1981 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

What Are Die Caps?

A die cap is caused when a struck coin sticks to the upper hammer die...

World Errors

Here are a few World Errors that I recently purchased from a collection that was assembled over many years...

Presidential $1 Error Coins: 2007 Proofs

As a general rule, modern proof error coins are scarce...

1979 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

World Errors

Here are a few World Errors that I recently purchased from a collection that was assembled over many years...

1978 Mint Error Catalog

Here is another in a series of Mint Error Catalogs from Fred Weinberg...

Presidential $1 Error Coins: George Washington

This is the first in our new article series featuring Presidential $1 Error Coins...

Presidential $1 Error Coins: John Adams

Just like the Washington $1 coins, the Adams coins show an abundance of edge lettering errors...

1998 Cent Struck On An Unplated Foreign Zinc Planchet

Wrong planchet/off-metal errors are always in demand, and doubly so if they are accompanied by another error...

1979 Mint Error Catalog

It is always exciting to compare current mint error prices with those from decades ago...

Two New “Extrusion Strikes”

Extrusion strikes provide a fascinating exception to the notion...

Fascinating Mint Errors

The new error coin collector would enjoy viewing these spectacular pieces...

Mint Error Prices: Then & Now

Readers who are starting to collect mint errors will find it interesting to compare today’s prices of major mint errors with those of 1975...

Mint Error News Museum: Gold Errors

These are exciting and dramatic examples of major mint errors that we wanted to share with our readers...

Al's Coins 2007 Mint Error Price List

Specializing in Mint and Currency Errors for 25 years...

Fred Weinberg’s Price List of Major Mint Errors & Currency

We proudly offer many dramatic & very Rare Type coins, and more current Errors (1960’s + 1970’s) that have not been on the market for 20-30 years...

PCGS Certifies 1965 English Penny Struck on a Gold Planchet

This is one of the most spectacular major mint errors of all time...

1864 Large Date 2¢ Struck on a 1¢ Planchet

Major mint errors in the 2¢ series are very rare...

Pennsylvania Quarter Double Struck Mated Cap Pair

This is a spectacular and very dramatic mated cap pair...

1943 Lincoln Cent Struck on a Cuba One Centavo Planchet

This 1943 Lincoln cent off-metal struck on a Cuba blank is unique...

1867 Shield Nickel With Rays Struck on Wrong Planchet

Shield Nickel off-metals are extremely rare...

World Mint Errors

I wanted to share some of my recent world mint error purchases with the readers of Mint Error News Magazine...

Morgan Dollar Reverse Die From San Francisco Mint

There are only a few known Morgan Dollar canceled dies from the San Francisco Mint...

1859 Indian Head Cent Deep Obverse Die Cap

This die cap struck so many blanks that it barely fits in the PCGS slab...

1862 Indian Head Cent Deep Obverse Die Cap

This obverse die cap is so deep that it will not fit in a PCGS, NGC, ANACS or ICG holder...

Coin Punch Presses

Here are photos of two different types of punches used at different times at the U.S. Mint...

Blanks & Planchets - The Best Little Secret In Errors

Collecting Blanks & Planchets can be one of the most challenging collecting areas...

2004 Malaysian 10 Sen Die Cap Mated Pair

Coin #1 is a Deep Die Cap and mated to Coin #2, which has an expanded uniface obverse...

Mated Pair of U.S. $1 Silver Eagles Certified by PCGS

This is a spectacular One Dollar Silver Eagle mated pair struck at the Philadelphia Mint in 1986...

The Milt Cohen Collection

It is fascinating to not only view all of the rarities that were in his collection, but also to remember where some of them have gone over the years...

Rare Kennedy Mated Sets Surface After Fourty Years

These were unknown until this small group was discovered...

Unique SBA Dollar Mated Pair

This is one of two known mated pairs of SBA Dollars...

Kennedy Half Dollar Die Cap

This is the largest Kennedy Half Dollar mint error that I’ve ever seen...

1999 SBA Dollar Multi Struck Die Cap

This is the largest SBA Dollar mint error that I’ve ever seen...

1863 Indian Cent Reverse Die Cap

This is a spectacular and dramatic deep dish shaped reverse die cap and is the size of a U.S. quarter...

Indian Cent Cu-Ni Reverse Die Cap

Reverse die caps in the Indian cent series are actually rarer than obverse die caps...

1865 2¢ Obverse Die Cap & Brockage

This is a spectacular 2¢ Die Cap...

NGC Certifies Double Struck 1873 $20 J-1344

This is an extremely rare pattern which is also double struck...

Interesting World Errors

A collection of mint errors from around the world...

1861 Clark, Gruber & Co. Twenty Dollar (K-8) Struck Over an 1853 U.S. Assay Office Twenty Dollar (K-19)

This unique piece was unknown to us until a couple of years ago...

1829 Large Cent First Strike Brockage Reverse

Most Large Cent brockages are very circulated and show the incuse wreath on the obverse...

Braided Hair Large Cent Struck 35% Off-Center

It is one of the finest known off-center Large Cents...

Unique 1838 $5 Die Trial Splasher J-A1838-6

PCGS recently authenticated and certified this spectacular $5 die trial...

MISSTRUCK UNITED STATES GOLD COINS

Compiled by Dennis O’Reilly, March 2006...

2001-S Proof Rhode Island Quarter Double Struck in Silver

To date, this is the only known proof State Quarter that is double struck and in Silver...

1965 Kennedy Half Dollar Unique Double Struck Mated Pair

A dramatic and wild mint error pair...

The Bolt Collection

It is incredible to see how inexpensive these mint errors were priced at over 30 years ago...

Mint Tour Photos

From a recent Mint tour...

1812 Cap Bust Half No Edge Lettering

It is one of only six known plain edge Bust Half Dollars in the entire series...

1996 Turkish Gold 25 Kurush Full Reverse Brockage

Brockages on world gold coins are rare...

1875 3¢ Nickel Struck Fragment

Major mint errors in the 3¢ Nickel series are very rare...

1859 Pattern Longacre’s Liberty Head Uniface Die Trial

This is one of three known uniface die trials by Longacre to create the 1859 U.S. Half Dollar pattern...

1969-S Proof Roosevelt Dime Struck Clad Layer

This is the first struck clad layer on any U.S. denomination struck in proof...

1965 Jefferson Nickel Special Mint Set Struck 5% Off-Center

Major mint errors from Special Mint Sets are very rare...

1873 Seated Dime w/Arrows Struck 12% Off-Center

All major mint errors in the Seated Dime series are rare...

1921 Morgan Dollar with an Adjustment Strike and a Misaligned Obverse Die

Significant Morgan Dollar errors are rarely encountered...

Extremely Rare 1937 Great Britain Half Pence Edward VIII Uniface Die Trial

This die trial striking is of great numismatic importance and rarity...

PCGS Certifies 1869 3¢ Proof Silver Pattern In Aluminum With A Double Struck Obverse

All proof errors are very rare as well as all U.S. Pattern errors...

1989-D Lincoln Cent Struck on Bronze Planchet

There are three known transitionals of this type...

1990-D Lincoln Cent Struck on Bronze Planchet

It should be on a copper-zinc blank planchet...

1974-D Ike Dollar Struck on 40% Silver-Clad Planchet

This TRANSITIONAL is from the Denver Mint...

1944-P Jefferson Wartime Nickel Transitional Mint Error

Struck on a copper-nickel planchet...

Silver Dollar Errors

Silver Dollar errors such as these are quite scarce and extremely valuable...

1952 Lincoln Cent Double Denomination on Struck Dime

One of the earliest dated Lincoln Cent double denominations...

1912 $2½ Indian Gold Struck 10% Off-Center

Gold mint errors are rare if they are struck more than 5% off-center...

Copper Ingot - From the Fred Weinberg Collection -

This ingot would have been melted, refined and eventually rolled into copper planchet strips...

Off-Metals Struck At The San Francisco Mint

From a collection that was auctioned by the State of California...

Ethiopia Werk Muled With KM-18 Reverse

This is only the second gold mule that I’ve ever heard of...

Mercury Dime Double Struck 2nd Strike 25% Off-Center

This is a very dramatic double struck Mercury Dime...

1794 Franklin Token Incomplete & Curved Clips

All Major Mint Errors on Colonial Coins are scarce...

America’s first Double Denomination

An Oak Tree Sixpence struck over an Oak Tree Shilling...

1886 Broadstruck Gold Dollar

Such errors are highly unusual for anything struck in gold...

1877 Seated Quarter Die Trial Adjustment Strike

All die trials for US TYPE coins are extremely rare...

AD 582-602 Byzantine Gold Justin II Full Brockage

Full brockages on ancient gold coins are extremely rare...

Lincoln Cent Struck on Bow-Tie Dime Scrap

Bow-tie errors are very scarce, but to have an off-metal bow-tie error is unbelievable...

1875 CA Gold Fractional 25¢ Uniface Reverse

All major mint errors on U.S. Gold coins are extremely rare...

1873 Octagonal 25¢ BG-793 CA Gold Fractional Rarity-5 Indian Head Full Obverse Brockage

An incredibly rare obverse brockage of BG-793...

A Partial Brockage, Double Struck, Partial Collar Bust Dime with UNITED STATES spelled UNIAMERIATES

This is a very unusual 1835 bust dime...

Canadian Mint Error

This is an incredible and unique Canadian mint error...

1923-S Peace Dollar Die Trial Struck 5% Off-Center

This is a spectacular Peace Dollar major mint error...

Ike Dollar Struck on a Dime Planchet

It is estimated that there are only six to eight known Ike Dollars struck on clad Dime blanks...

Unique U.S. Territorial Gold Error

The Bechtlers were the first large-scale Private Gold Coiners...

1853 $1 U.S. Gold Type 1 Broadstruck and Partial Collar

This is the only known broadstruck Type 1 $1 Gold Piece...

Rare Pattern Mint Errors

A selection of rare pattern mint errors...

Double Struck 1838 Half Dollar Pattern

There are fewer than 2 dozen confirmed errors over the course of the entire pattern series...

Unique Obverse Die Cap

Major mint errors in the Seated Half Dollar series are extremely rare...

1942 Walking Liberty Half Dollar Struck On A Silver Quarter Planchet

There are only a handful of off-metal Walking Liberty Half Dollars known...

Unique 1981 Dime Cap Overstruck on a 1981 Cent Cap

This Lincoln Cent was a deep obverse cap that struck many Lincoln Cents...

Barber Half Full Obverse Brockage

This is one of the most spectacular major mint errors...

Buffalo Nickels on Cent Planchets

I have listed the examples known to me of Shield nickels on cent planchets...

1918-S Standing Liberty Quarter Struck 13% Off-Center

All Major Errors on Standing Liberty Quarters are extremely rare...

1898 Barber Quarter Obverse Die Cap & Brockage

This is the only known obverse die cap in the Barber Quarter Series...

Draped Bust Dollar Struck 15% Off-Center

This Draped Bust Dollar mint error is well known in the numismatic community...

Pair of Barber Dime Die Caps

This is a unique pair of Barber Dime Die Caps...

1795 Flowing Hair Dollar Struck on Flawed Planchet

It was struck on a planchet with major flaws on both sides...

1855 Large Cent Obverse Die Cap

There are only a handful of Large Cent caps known...

Spectacular Double Struck Clark Gruber $20 Gold

Clark Gruber was the most respected and well known financial and banking company...

Double Struck 1797 Draped Bust Large Cent

Draped Bust Large Cents are rare in MS 65...

Spectacular Buffalo Nickel Off-Center on Cent Planchet

Multiple errors on type coins such as the Buffalo Nickel are unheard of...

Double Struck 1924 Standing Liberty Quarter

It is very rare to find any major mint errors in the Standing Liberty Quarter series...

Unique Morgan Dollar Struck 20% O/C & Brockage Reverse

This is a spectacular major mint error in the Morgan Dollar series...

Two Headed Muling

This two-headed muling, a business striking - not a proof, was recently rediscovered...

U.S. Half Cents: An Undiscovered and Unloved Series

If you want a series to collect that won’t break the bank...

(1943) Denver Quarter Struck on U.S. Steel Cent Planchet

There are only a few known Washington Quarters struck on U.S. Steel Cent Planchets...

Two Dramatic Indian Cent Errors

Most mint errors that are double struck are found with the second strike off-center...

1874 $1 U.S. Gold Type 3 Broadstruck

This is the only known broadstruck Type 3 $1 Gold Piece...

1909 Indian Head Cent Struck on Silver Dime Blank

This is a spectacular Indian Head Cent struck on a silver Dime blank intended for a Barber Dime...

1873 Shield Nickel Struck on Cent Planchet

All major mint errors in the Shield Nickel series are very rare...

1964 Kennedy Half Dollar Struck on Clad Quarter Planchet

This 1964 Kennedy Half is a rare TRANSITIONAL off-metal with only a few known...

2000-P “Mule” Sacagawea Dollar Reverse With States Quarter Obverse

There are now ten (10) confirmed specimens of the Sacagawea Dollar/Quarter Mule...

1898 Barber Quarter Obverse Die Cap & Brockage

This is the only known obverse die cap in the Barber Quarter Series...

A Two Country Double Denomination

This is one of two known Large Cents overstruck on coins from other countries...

Indian Cents on Dime Planchets

Indian Cents struck on silver dime planchets were often offered as patterns in early, circa 1900, auction sales...

Two Interesting Indian Cent Errors

I’d like to share these two major mint errors from my collection of Indian Cents...

Rare Double Struck Liberty Seated Dime

Double struck Liberty Seated Dimes are very rare...

1880-S Morgan Dollar Struck 40% Off-Center

Many consider this off-center Morgan to be the finest known example for the series...

Spectacular Off-Center French Gold LD’OR

This is a spectacular Major Mint Error on a 300 year old gold coin...

Unique Overstruck French Gold LD’OR

This is a unique 1701-C ½ LD’OR struck off-center on a 1694 ½ LD’OR...

Unique Pattern Capped Die

All major mint errors on proof patterns are very rare...

Double Struck Proof Pattern

All proof errors are very rare as well as all US Pattern errors...

Spectacular Proof Gold Mule

This is one of the most spectacular mint error mules of all time...

Unique German Die Trials

This is a UNIQUE Die Trial set of four different German denominations...

1853 U.S. Assay $20 Gold Piece Certified as Double Struck by NGC

All Major Mint Errors on U.S. Gold Coins are extremely rare...

1859 Indian Head Cent Obverse Struck on an 1857 Seated Half Dime

This is one of the most dramatic and unique major mint errors ever discovered...

Fred Weinberg’s Off-Center $20 Liberty

This spectacular $20 Liberty Gold Piece is the farthest known off-center...

A Unique 1877 $50 Reverse Hub Trial in Lead

There are only 272 Splashers known and only 43 Hub Trials known for the entire U.S. Pattern series...

Shield Nickels on Cents

Shield nickels on cent planchets have often been mistaken for regular die trial pieces...

Unique Origami Error

The term “origami” derives from the Japanese language for the art of paper folding...

1974 Aluminum Cent

In the early-mid 1970’s my grandfather ran a small pawn shop in Mississippi...

All on One Colonial Copper

A Double Struck New Jersey, a Connecticut Undertype and a Brockage British Halfpenny...

U.S. Coins - Weights & Specifications

Click to view this informative chart...

1867 5¢ Obverse Hub Trial Struck in Copper

Why produce an aluminum five-cent pattern?...

Unique 1860 $5 Reverse Hub Trial Struck in Copper

Why a $5 pattern in 1860? According to Judd, in 1860 the U.S. Treasury discovered that...

Highlights From My Collection of Swedish Error Coins

This is a journey through my Swedish collection of error coins...

Errors From The Royal Mint

The Royal Mint of the United Kingdom has the reputation as being one of the tightest “quality controlled” mints in the entire world...

Matched Brockage Pairs

Collectors of brockages know that all brockages are scarce...

Double Struck Swedish Gold Coin

An 1884 20 Kroner gold coin that is double struck...

1862 Indian Cent Obverse Die Cap

This is one of the most spectacular and dramatic die caps known...

1901/0-S $5 Liberty Gold Struck 10% Off-Center

This piece is one of the most spectacular gold errors ever discovered...

1944 Steel Cent

There is confusion whether some of the planchets designated for...

Eight Reales with Four Error Features

These four error features are then as follows: off-center, flip-over, double-strike and partial brockage...

1846 PROOF $2½ Overstruck by 1846 PROOF $5

This spectacular Pattern Die Trial is also a Major Mint Error...

Unique Double Denom Error Note

Although there are double denominations known, this is the only one reported where...

An 1803/2 $5 Gold Piece with an Off-Center Obverse

It is very rare for any U. S. gold coin to be also a mint error...

Off-Metal Walkers

One of these coins is very rare, but to have two of them was amazing...

Thrill of the Hunt

It sure is fun collecting error coins since they are so different and sometimes even unique...

Highlights From My World Error Collection

For many years I have been interested in building up a collection of world error coins...

1916 Mexico Gold 60 Pesos Oaxaca Overstruck on an Earlier 8 Escudos Hand on Book Type

A fascinating and dramatic numismatic rarity...

1999 SBA Dollar Struck on a Struck Georgia Quarter

This is only one of two known obverse SBA caps...

The Story Behind An Interesting Overstrike Coin

The coin that illustrates this story is a 1951 Norwegian 1 Kronor struck on a 1946 Swedish 1 Kronor...

2000 Cent Flipover Strike

It's a very appealing error to look at...

Double Struck French 5 Francs on Spoon!!

This is one of the most outrageous, exotic, dramatic and unique mint errors that I have ever encountered in 25 years...

1963 Half Crown Struck on a Half Penny Copper Planchet

A very rare off metal from Great Britain...

The Amazing Broken CC and Other Errors on Display

This coin is the most dramatic error ever heard of on a Morgan Dollar...

Learning About Minting from an Errant Elephant

What can we learn from this off-center piece?

A Fascinating 1790 Mule

It has an estimated mintage of five pieces struck and is the first one we've ever seen of this type...

The Only Complete Set of 1999 State Quarters Struck on Exp Plan

There are approx. 15 known 1999 State Quarters struck on Exp Planchets...

Triple Struck Double Denom Rev Brockage Off Metal or Triple Denom?...

The slab label is too small for a full description of this fabulous error...

NGC Certifies Newly Discovered Platinum Eagle Variety

A 2007 W platinum $100 piece in proof with an obvious die-polishing error has been found...

Another Platinum Eagle Frosting Error Surfaces

The word FREEDOM is frosted instead of brilliantly polished...

PCGS Certifies Washington Dollar Struck on 5¢ Planchet

There are only two known off-metals in the Presidential Dollar series...

New Mint Error Type Discovered

This is a unique discovery and first reported in Mint Error News...

NGC Certifies A Peace Dollar Double Struck With 2nd Strike 80% Off-Center

Double Struck Peace Dollars are extremely rare and are highly coveted by mint error collectors and dealers...

Double Struck 1884-CC Silver Dollar GSA/NGC Certified

Major Carson City mint errors are among the most desired and valuable U.S. errors...

Australia Two Tailed Gold Nugget

To date, this is the only certified gold coin that was struck from either two obverse dies or two reverse dies...

Presidential Dollar Mint Errors

Major mint errors in the Presidential Dollar series are very scarce...

Great Britain 20P Mule

Here is a new and exciting major mint error to come from the Royal Mint in London...

Monroe Dollar Missing Edge Lettering Discovered In 2008 Philadelphia Mint Set

Recently a few mint sets were discovered that contained the Monroe Presidential Dollars without the edge lettering...

Incredible Error Note

This is the second error note that I have handled...

Hayes/Grant Mule Medal

So far only two have been identified since it’s 2003 release...

From the Grading Room: 1948 Obverse Die Trial for the Franklin Half Dollar

An unusual and likely unique Franklin Half Dollar die trial...

Adams First Spouse Bronze Medal Mule Discovered

A new mule has been recently discovered on the U.S. First Spouse Medal...

PCGS Grades First Native American $1 Coin Missing Edge Lettering

On March 6, 2009, PCGS received the first reported and only-known Native American dollar with the edge lettering missing...

Bolivia 10 Centavos Mint Error Set

Here is an incredible set of Bolivia 10 Centavos mint errors...

PCGS Certifies Unique Set of SPECIMEN Silver Certificates

Specimen notes are extremely rare and very few are known to exist today...

A Serendipitous Mint Set Find: (2007) SMS James Madison Missing Edge Lettering Dollars

They were not regular currency issue strikes but instead were found in Mint Sets and therefore have the satin finish...

Feeder Fingers Discovered From Several South American Countries

The first coin struck on an actual feeder finger was headline news in the numismatic community...

NGC Certifies Proof John Q. Adams $1 Struck On An Elliptical Planchet

As incredible as it sounds, another proof Presidential Dollar was just discovered struck on an elliptical planchet...

From the Grading Room: 1973-S Dollar on a Copper-Nickel Planchet

This superb gem Eisenhower Dollar was struck at the San Francisco Mint for inclusion in the series of “blue pack” silver-clad dollars...

1836 Half Dollar With Doubled Edge Lettering

Initiation of the Presidential Dollar coin program in 2007 brought about a renewed interest in lettered-edge coins...

NGC Certifies Proof Jefferson Presidential Dollar Struck on Elliptical Planchet

Unbelievably, a second known U.S. proof coin struck on an elliptical planchet has been discovered...

New 2007 Mint Errors

There have only been a few major mint errors discovered in 2007...

NGC Certifies 2008 Monroe Dollar Edge Lettered Planchet

This is the second one known dated 2008...

Unique NGC Set of Three Paraguay Gold Overstrikes

This is a unique set of nineteenth century Paraguay patterns that were overstruck on previously struck gold coins...

2007 India 5 Rupees Double Struck on Feeder Finger

Recently, several coins struck on feeder fingers from India were discovered...

From the Grading Room: 1825 Great Britain Pattern Farthing Mule, Struck in Platinum

This example is one of just a few known...

From the Grading Room: $50 Gold Eagle Error

The number of mint error coins actually escaping careful inspection at the mints has remained extremely small for the American Eagle series...

NGC Certifies Double Struck 1884 Carson City Morgan Dollar

This double struck Carson City Morgan Dollar is a significant rarity for several reasons...

NGC Certifies 1875-CC $20 Liberty Partial Collar

Major mint errors on U.S. gold coins are very rare...

1851 3¢ Obverse & Reverse Die Trial Struck on Cardboard

It is clearly embossed with lettering and design elements raised...

ANACS Certifies “Two Headed” 2 Cent Euro

This exciting discovery is a unique 2000 France 2 Cent Euro struck by two obverse dies...

Trio of Walking Liberty Half Dollar Errors

This trio of Walking Liberty Half Dollar mint errors is quite possibly the most impressive that has ever been offered...

Modern Euro Off Metals

Several of these may be the only ones known to date...

1864 2¢ Obverse Die Cap Mated With Brockage

Major mint errors in the 2¢ series are very rare...

Sacagawea Dollars with an Experimental Finish

Mike Byers discovered the original hoard of these Sacagawea Dollars with experimental finishes...

Modern Euro Off Metals

Several of these may be the only ones known to date...

NGC Discovers Proof Silver States Quarters Die Crack Errors

NGC recently identified die cracks on two issues of silver proof States Quarters...

UNIQUE 2001-P Sacagawea Dollar Struck on a 2001 Kentucky State Quarter

A unique coin with great details & PQ luster...

1973-S Kennedy Half Dollar Struck on Struck Aluminum Token

Proof Kennedy Half Dollar mint errors are very rare with only a few known...

Unique 1920 Standing Liberty Quarter Struck on Peru 20C Planchet Certified by NGC

This is the only known Standing Liberty Quarter struck on a foreign planchet for the entire series...

Martha Washington Half Dollar Test Piece

The Martha Washington design has been used by the Mint as an all-purpose test piece since 1965...

Double Struck Draped Bust Dollar

This is one of the most spectacular early type major mint errors that I’ve ever handled...

1982 Canadian Dime Muled with Cent Die

To date, this is the only reported specimen of a Canadian Dime that was muled with the reverse die of a 1982 Cent...

NGC Certifies Set of Two-Headed and Two-Tailed Great Britain Half Pence

There are approximately thirty genuine two-headed or two-tailed coins that have been authenticated by ANACS, PCGS or NGC...

Canadian 1978 Cent Struck on a U.S. 1973 Cent

A coin struck on dies from two different countries is extremely rare...

ANACS Certifies Sacagawea Dollar Struck on a Nickel Planchet

It is amazing that this 2005 dated Sacagawea Dollar was discovered struck on a nickel blank...

Unique 1999-P Lincoln Cent Struck on 1980-D Dime

It is one of the most intriguing and rare mint errors that I’ve ever handled...

Martha Washington Test Piece Struck on SBA Dollar Blank Planchet With Experimental Edge

The Martha Washington design has been used by the Mint as an all-purpose test piece since 1965...

1880/9-S Morgan Dollar Struck 10% Off-Center PCGS MS 63

This is the only known Morgan Dollar struck off-center that is also an overdate...

Rare Franklin Half Dollar Struck 70% Off-Center

It is always exciting to see a Franklin Half Dollar struck off-center since there are only a few known...

Martha Washington Test Piece Struck on Nickel Size Planchet

The Martha Washington design has been used by the Mint as an all-purpose test piece since 1965...

3 Decade Old Catalog Found

A 26 page catalog containing the finest major mint errors with photographs, descriptions and prices...

Just Discovered & Certified by NGC: A Two Headed Off-Metal

To date, this is the only known “Two Headed” or “Two Tailed” mint error that is also an off-metal...

J425/P497 Struck Over an 1840-O Quarter

The discovery of an 1865 pattern quarter struck over an 1840-O quarter may shed light on a series of pattern coins where the actual date of striking has long been a question...

Ike Dollar Struck on a 3.7g Clad Planchet

There is mystique and excitement surrounding this recently discovered Ike Dollar...

Unique 1965 Kennedy Half Dollar Discovery

This discovery mint error is unique and it is still a mystery why it was struck...

1989-D Lincoln Cent Transitional Double Struck on Bronze Planchet

This is a unique transitional major mint error...

1838 Gobrecht Struck Over 1859 Dollar

It is one of several overstrikes produced circa 1859-60...

Unique 1860 $5 Clark Gruber Reverse Die Trial

This uniface die trial is a fascinating piece of Gold Rush history...

Unique Pair of 1825 English Gold Sovereign Die Trials

Obverse and reverse uniface pattern strikes...

Double Struck Gold Staters of Brutus

A small group of double struck gold staters were discovered...

1865 $1 Indian Gold Proof Triple Struck Reverse

This is the only known proof $1 Indian dated 1865...

Philippine 1 Piso Struck Over Struck U.S. Quarter

This is a spectacular double denomination involving coinage from two countries...

1876 Indian Cent Struck on a 3¢ Nickel Planchet

Indian Cent off-metals are very rare...

Unique 1999 SBA Dollar Struck on an Aluminum Feeder Finger

The only known SBA Dollar struck on an aluminum feeder finger...

Die Trial Splashers Just Discovered

A selection of die trial splashers...

1861 Indian Head Cent Deep Obverse Die Cap

There are only a few known Indian Head Cent die caps...

Martha Washington Nickel

The Martha Washington design has been used by the Mint as an all-purpose test piece since 1965...

1876 Indian Cent Struck on a 3¢ Nickel Planchet

Indian Cent off-metals are very rare...

Off-Center Gold Crown

A Gold Crown from Gebralter of Queen Elizabeth II struck 5% off-center...

1866 5¢ J-517 Double Struck Mule Pattern

This pattern is a deliberate muling of two dies...

Double Struck Double Eagle

This Double Struck Double Eagle was sold in auction by Heritage...

Another Martha Washington Test Piece Discovered

This design has become the U.S. Mint’s all-purpose design for testing new compositions and planchet sizes...

Unique 3 Piece Cent and Dime Mated Set

This is an incredible combination of multiple errors...

1983-P Jefferson Nickel Struck on CU Cent Planchet

This extremely rare 1983 Jefferson Nickel TRANSITIONAL was struck on an all copper Cent planchet...

Unique 3¢ Nickel Struck on 1¢ Stock

This is the only known off-metal mint error in the 3¢ Nickel series...

1795 Flowing Hair Dollar Overstruck on 1794 Dollar

To the best of our knowledge, no similar specimen has ever been located or identified...

The Only Known Walking Liberty Half Dollar Off-Metal

This is the only known Walking Liberty Half Dollar struck on a Foreign Planchet for another country...

Mated Pair of U.S. $1 Silver Eagles

A 3M sanding disk adhered to the lower die and was struck into the reverse of the blank planchet...

Unique Cap Bust Quarter Mint Error

Any major mint error in this series is extremely rare...

On the Edge of a Major Discovery

With the underlining reality that these Hong Kong coins have actually been struck on UK coinage planchets with a customary UK reeded/milled edge...

One-of-a-Kind Pieces

The finest error in my Swedish error collection is this 2 Ore 1964 with a struck in tool...

Mint Errors Listed in 1879 Catalogue

It is one of the earliest listings of major mint errors that we’ve ever seen...

Connecticut Quarter Unique Fold-Over

A fold-over coin is one of the most dramatic types of errors...

Coins Struck on Finger Feeder Tips

After a recent tour of the U.S. Mint at Philadelphia...

PCGS Certifies Two Canadian "Two Tailed" Cents

Both of these "Two Tailed" coins were struck with two reverse dies...

Discovery of Error on Experimental Currency

This note combines the ultimate in rarity with a mistake of noteworthy importance arising on experimental paper...

Double Struck 20¢ Piece

Major mint errors on 20¢ Pieces are unheard of...

PCGS Certifies Unique Jefferson Nickel Die Trial

The only known die trial for the entire Jefferson Nickel series...

1910 Lincoln Cent Uniface Test Strike

It is amazing that there is no reference to this 1910 Test Strike Piece anywhere...

Two Headed Shilling

The first reported and authenticated two-headed English Victorian Shilling...

Unique Quarter Multi Struck on Copper Core

This is a spectacular major mint error...

ANACS Certifies Unique “Two Tailed” Euro Set

This is one of the most exciting mint error discoveries...

3 Decade Old Price List Discovered!

Fred Weinberg just discovered, in a old and dusty file...

U.S. $20 1872 Obverse Die

As incredible as it seems, this is the second $20 Liberty Head Obverse Die to surface in the last two years...

U.S. $20 1882 Obverse Die

This die struck the obverse design of the $20 Liberty Head double eagle gold coin over a hundred years ago...

1920 Buffalo Nickel Struck on Copper Planchet

This is the first and only reported Buffalo Nickel struck on a Full Size Copper Planchet...

Unique Dual Date/Dual State

An unknown type of error until this discovery piece...

2000-P Sacagawea Dollar Struck on a SBA Dollar Planchet

This is a 2000-P Sacagawea Dollar struck on a left over clad Dollar planchet intended for the striking of 1999 Susan B. Anthony Dollars...

SBA Dollar Struck on Experimental Planchet

Four SBA Dollars struck on experimental planchets have been discovered...

Two Headed and Two Tailed Coins

There are approximately thirty known genuine two-headed or two-tailed coins that have been authenticated and certified...

Martha Washington Test Pieces

The U.S. Mint conducted metallurgical tests in 1999 on the golden colored manganese-clad planchets which would later be used for the Sacagawea Dollar...

ANACS Certifies Euro Cent Struck With Two Reverse Dies

ANACS was featured in an article on this coin in the October 7, 2002 Issue of Coin World...

2000-P MA 25¢ Struck on Exp Planchet

This discovery is unique...

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