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NGC Certifies Rare 1942 and 1943 Wrong-Planchet Cents

Two previously unknown 1943 "copper" cents and two other wrong-planchet errors were recently certified by NGC...

A Visit With Fred Weinberg

It is always a pleasure to visit Fred Weinberg in his office to conduct business...

Grading and Honesty in Numismatics

This very short article is on coin grading and honesty among coin dealers and collectors...

What Are Struck-Throughs?

Struck-throughs range from very small to large...

Building an Error Type Set

The error type set collection is based on the minting process, with the ultimate goal of finding one of every type...

Struck Through Errors

Simply put, it is anything which is struck into the coin, but which was not "retained" in the strike...

Doubled Dies vs. Machine Doubling

The distinction between genuine die doubling and mechanical doubling can be subtle...

A Collection of State Quarters Struck on Elliptical Planchets

U.S. coins struck on elliptical planchets are scarce, making this an impressive collection...

Unique "Two Tailed" Off-Metal

This is one of two known U.S. or World Coins in numismatic history that were struck by either two obverse or two reverse dies and struck on an off-metal planchet...

Unique Double Struck Peace Dollar

Major mint errors in the U.S. Peace Dollar series are very rare...

NGC Certifies Colombia Pattern Oddity

NGC recently certified a 1918 10 Peso pattern struck over a US WWI-era pin...

Highest Prices Realized for World Mint Errors in Heritage Auctions

The following coins sold in past Heritage Auctions...

PCGS Certifies 1945 Netherlands East Indies Cent STRUCK IN GOLD At The U.S. Philadelphia Mint

This is a proof pattern gold striking of KM-316...

A Collection of American Eagle Errors

A reader of Mint Error News wanted to share his collection of rare American Eagle major mint errors...

Fred Weinberg’s Price List of Major Mint Error Coins & Currency

Wholesale prices list of major mint error coins & currency...

Rare Mint Error Found on a 2015 Silver Eagle

A rare curved clip mint error is found on a 2015 American Silver Eagle bullion coin...

Undated Double Eagle Obverse Die Trial Judd-A1859-10, MS64 Unique Die Variant

This is a unique striking and the only splasher of the Type One twenty...

NGC Grades Dramatic Error 1986 Silver Eagle

A rare and prominent mint error was identified on a 1986 Silver Eagle that was found in a Mint-sealed box...

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...

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...

What Are Die Caps?

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

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...

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...

Interesting World Errors

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

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...

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

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

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...

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...

Off-Metals Struck At The San Francisco Mint

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

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...

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...

U.S. Coins - Weights & Specifications

Click to view this informative chart...

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...

Spectacular Double Struck Clark Gruber $20 Gold

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

Spectacular 1864 2¢ Obverse Die Cap With 2 Obverse Brockages

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

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...

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...

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...

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...

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...

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...

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

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

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...

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...

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...

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...

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...

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

A fascinating and dramatic numismatic rarity...

2000 Cent Flipover Strike

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

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...


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