Here Is A Complete List Of Over 1,200 Articles From Mint Error News

World's Greatest Mint Errors Published



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

Foreigners in the Mint



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

A 1970s Mistake Becomes a 2020 Prize



First, this is supposed to be a dollar but was struck on a Half Dollar planchet...

Two Heads Are Better Than One



Discovered by the coin community only in the year 2000, the Double-Headed Indian Cent is so new to the scene that it is not yet listed...

Fascinating Die Cap Error Stars in Simpson Collection



This coin is amazing because of its huge starburst appearance...

NGC Certifies Amazing & Unique Proof Ike Dollar Mated Pair With Two Different Off-Metals



This amazing unique discovery is the only known off-metal mated pair on any U.S. proof coinage that combines two different off-metals...

U.S. Proof Quarter Overstruck on Canadian George V Quarter



This unique 1970-S Proof Quarter from the United States was overstruck on a Canadian Quarter that circulated during the reign of King George V from 1911-1936...

Proof 1977-S Nickel Overstruck on 1977-S Dime Double Denomination with Two Dates



This is the only double denomination of the four known showing two dates...

Unique Proof Kennedy Half Dollar Double Denomination



This newly discovered and certified Proof Kennedy Half Dollar on a struck Washington Quarter is the only known...

Not Just Heads Or Tails



This amazing error coin that is part of Heritage's August Auction combines several mistakes...

Unique 1977 Lincoln Cent Struck in Aluminum at The Philadelphia Mint



There are several possibilities as to how this unique Lincoln Cent was produced...

Mint Errors Featured in the August 2020 Error Coinage Special Online Heritage Auction



The following coins are in the August 2020 Error Coinage US Coins Special Monthly Auction #60160...

Prices Realized in the August 2020 U.S. Coins Signature Heritage Auction



The following coins sold in the August 2020 U.S. Coins Signature Auction #1318...

Prices Realized in the June 2020 Long Beach Heritage Auction



The following coins sold in the June 2020 Long Beach Expo US Coins Signature Auction #1316...

Amazing 2016 Shield Cent Multiple Mint Error



This amazingly rare modern cent major error coin has so much going on...

Netherlands Silver 1/2 Ducaton Pattern in Proof



The only known proof of these ducaton coins are the gold ones...

Unique Proof Double Denomination Bicentennial 1976-S Quarter Double Struck on a Struck Dime



This is the only known proof Bicentennial Quarter double struck over a struck Dime...

Set of 4 Weakly Struck American Eagles



Coins that are weakly struck occur when a coin is struck from the press with very little pressure...

Liberty Seated Dime Struck Off-Center With Obverse Partial Brockage



This is an amazing and unique combination of major errors on a Seated Dime...

Extremely Rare $50 Gold Eagle Double Struck Partial Collar



Major Mint Errors on the 1oz Gold U.S. $50 American Eagle series are very rare...

Unique California Fractional Gold Incomplete Punched Planchet



A fascinating aspect of this mint error is that the partially punched planchet is octagonally shaped...

Unique Pair of California Fractional Gold Clipped Planchets



This is the only known double clipped planchet on any fractional gold coin...

Spectacular State Quarter Die Cap



The die cap is so deep and the "exit strike" is at such an angle creating a shape like a baseball-cap...

Extremely Rare California Fractional Gold Overstrike



This is a unique 1863 California Fractional Gold 25¢ overstruck on a previously struck 1860/50 Gold 25¢...

Unique & Unlisted German 5 Mark Die Trial



This unique and unlisted Germany 5 Mark reverse trial strike is the adopted design in silver...

Unique Pattern 25¢ Major Mint Error



Major Mint Errors on Proof U.S. coins are rare...

Extremely Rare Buffalo Nickel Off-Metal



This amazing fully lustrous Buffalo Nickel struck on an Argentina 10 Centavos planchet...

American Bank Note Company Experimental Stamp Printing Plate



This experimental stamp printing plate from the American Bank Note Company is one of only two known...

Unique American Bank Note Company El Salvador Stamp Printing Plate



It features a set of all four different denominations of stamps on the plate...

Official Royal Mint Plaster for the Great Britain 1983 One Pound



This is a fascinating official Royal Mint plaster that was designed for the reverse of the new Great Britain 1983 One Pound coin...

Unique 1974-S Aluminum Cent



The Only 1974 Aluminum Cent that can be Privately Owned...

1938 New Rochelle Half Dollar PCGS Specimen 67+ CAC



This PCGS Specimen 67+ CAC is the second finest known...

2000-P "Mule" Sacagawea Dollar Reverse With States Quarter Obverse Census



There are now nineteen (19) confirmed specimens of the Sacagawea Dollar/Quarter Mule...

The Market is Adjusting and Moving Along



The coin collecting community and the dealers are for the most part, fairly close to business as usual...

NGC Certifies Unique 1952 Great Britain Penny



The only penny struck by the Royal Mint in 1952 is a numismatic unicorn...

Prices Realized in the April 2020 Error Coin Online Heritage Auction



The following coins sold in the April 15, 2020 Error Coinage US Coins Month-Long Online Auction...

Prices Realized in the April 2020 Central States Heritage Auction



The following coins sold in the April 2020 Central States US Coins Signature Auction - Dallas #1314...

1831 Proof Gold ½ Sovereign DOUBLE STRUCK



Interestingly, despite the high production standard for this Proof offering, its legends show faint traces of being double-struck...

Prices Realized in the April 2020 Central States Heritage Currency Auction



The following coins sold in the April 2020 Central States Currency Signature Auction - Dallas #3577...

Gold-Plated Brass Maple Leaf Die Trials in Lucite



This is a fascinating and historical set of Gold-Plated Brass Die Trials issued by the Royal Canadian Mint...

Unique Ike Dollar Multiple Mint Error



All Ike dollar off-metals are highly prized by serious collectors of major U.S. Mint Errors and collectors of Ike dollars...

Unique Bavarian Medal Gold Off-Metal Strike with Mint Engraving



The reverse includes six lines of hand engraving from the Bavarian Mint...

Unique Spanish 100 Reales Die Trials Struck in Gilt Copper



This is a unique and spectacular set of obverse and reverse die trials for Spain's 1856 Proof Gold 100 Reales...

Unique Double Struck 1904 $20 Liberty Rotated 180 Degrees in Collar



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

Extremely Rare Bavarian Gold Service Medal



This is an amazing world-class numismatic treasure, combining several numismatic and historic factors...

Uncommon Walking Liberty Half Dollar Error Up For Bid



Considered by many to be one of the most attractive and artistic US coin designs...

Liberty Nickel Off-Metal Mint Errors Featured in the April 2020 Central States Heritage Auction



Heritage will be auctioning a few nickels that are only copper and contain no nickel at all...

Unique Dual Mint Mark Discovery Proof Bicentennial Quarter on Cent Double Denomination



This is the only known proof U.S. coin that shows two mint marks from two different U.S. Mints...

1973-S Proof Clad Ike Dollar Double Struck On A 50¢ Planchet



This is one of the most spectacular Proof Ike Dollar Mint Errors...

Proof Kennedy Half Dollar Double Struck on a Gas Token



This is an amazing and spectacular proof major mint error...

Unique Double Denomination Kennedy Half Dollar on a Quarter



It is the only known Kennedy Half Dollar from 1965-1970 struck on a struck Quarter...

Unique China One Ounce Gold Panda Partial Collar



This is the only known major striking error on the one ounce gold Panda coin...

Proof 1976-S Jefferson Nickel Obverse Cud (Die Break) Just Discovered



A few extremely rare Proof 1976-S (Bicentennial Year) Jefferson Nickel Cuds were just discovered...

Double Struck Broadstruck 1973-S Proof Clad Ike Dollar



This is an amazing double struck and broadstruck PROOF Ike Dollar...

Unique Proof Double Denomination Dual Date Bicentennial 1976-S Quarter on a Struck 1967 Dime



This is the only known proof Bicentennial Quarter struck over a Roosevelt Dime...

Mint Errors Featured In Upcoming 2020 Heritage Auctions



Heritage is putting together a fascinating assortment of error coins for the inaugural Monthly Error Coin Auction...

PMG Grades Mismatched Serial Number Error on US $20 Bill



A 2020 FUN Show attendee discovered the note in her change at the show...

Unique 1969-S Proof Dime Mated Pair



This is one of the most dramatic, fascinating and intriguing proof errors ever discovered...

NGC Certifies Pattern Coins from the Estate of US Mint Chief Engraver Charles E. Barber



The patterns were struck in the late 1800's as proposed coin designs and compositions...

The Northern Nevada Dollar Error Gallery



We enjoy collecting dollar errors because with as many dollars as we buy and sell day in and day out errors in this series are still rarely seen...

NGC-Certified 1831 Great Britain Coin Realizes $425,000 at CNG NYINC Auction



The gold rarity sold for more than twice its pre-sale estimate...

Learn Grading: What Is a Mint Error?



This installment in the series covers mint errors that can occur when something goes wrong with a coin's planchet...

Prices Realized in the January 2020 FUN Heritage Auction



The following coins sold in the January 2020 FUN US Coins Signature Auction...

Off-Center Lincoln Cent With Retained Wire Bristle



The reverse of this 1998 way off center cent has a struck in and retained wire bristle...

FUN Show Report January, 2020



We just got back from a very busy FUN show sunny and warm Orlando, Florida...

Lincoln Cent Cancelled in India?



One of our readers found this interesting Lincoln Cent that has been cancelled with a unique pattern...

Dual Country Double Denomination Panama 1c Double Struck on U.S. Lincoln Cent



The coin rotated 90 degrees with a beautiful second strike that is 30% off-center...

Pair of Ethiopia 10 Dollar Silvered Bronze Specimen Pattern Uniface Die Trials



They are a matched set of obverse and reverse uniface die trials from 1972...

Pair of Famous Lincoln Cent Mint Errors Brought Together Under One Owner



The ultra-rare NGC-certified Lutes and Wing 1943 Bronze Cents each recently realized more than $200,000...

Mint Errors Featured In Upcoming 2020 Heritage Auctions



The following mint errors are featured in the following upcoming Heritage Auctions...

Unique Canadian $20 Specimen Test Print



This incredible and unique test print is for the Canadian 1954 $20 face and back...

The Baltimore Coin Show: November 2019



Overall, the coin show was good, with a decent amount of both buying and selling...

Unique Off-Metal Canadian Mint Error



This unique Canadian 50¢ dated 1970 is struck on a 72% silver and 28% copper off-metal planchet...

A Collection of India Patterns & Die Trials



I recently acquired this set of patterns & die trials of a rare Baroda Rupee...

Unique & Unrecorded Proof Great Britain 1/2 Sovereign Gilt Reverse Pattern



This is a unique and unrecorded proof gilt reverse pattern for the 1831 Great Britain William IV 1/2 Sovereign...

Unique Broadstruck Off-Metal Jefferson Nickel



This is a unique and spectacular major mint error...

Uruguayan "Two Tailed" Dual Date, One Peso Mule



Major errors from Uruguay are nearly unheard of and this is the first mule error from this country I have ever seen...

NGC Certifies Canada $15 Struck on Gold Planchet in Custom Multi-Coin Holder



One of the four-known 1992 Canadian "Spirit of the Generations" Olympic silver coins to be struck in pure gold...

1973-S Proof Clad Ike Dollar Double Struck On A 50¢ Planchet



This is one of the most spectacular Proof Ike Dollar Mint Errors of all time...

Pair of Gold Lincoln Medal Overstrikes Certified by NGC



This is a fascinating pair of gold overstruck coins with an enigmatic history and production...

PCGS Certifies Unique German Gold Obverse Die Trial Strikes



It is amazing that after 500 years, this set of gold Die Trials remained together, intact and preserved in gem mint state condition...

PCGS Certifies Unique Standard Silver Pattern



This discovery coin was struck without Barber's initial on the ribbon...

NGC Certifies Unique Great Britain Crown Young Head Silver Die Trial



NGC recently authenticated and certified this unique Great Britain Silver Crown Die Trial Piedfort Pattern...

Unique Great Britain Proof Pattern Mule



This piece is the ONLY known certified example and the ONLY known piece as well...

Great Britain Britannia Proof Gold Mule



There are only 3 known authenticated and certified obverse mules on the Britannia Proof Gold Coin Series from Great Britain...

Unique Ethiopia Double Struck Gold Mule



All gold mules are rare and this mule is unique for several reasons...

A Summer Error Update



Overall the error market has been good...

Rare Sacagawea Dollar Mule Is Among NGC and PMG Collectibles in Long Beach Auctions



The rare and distinctive mint error combines the Sacagawea Dollar reverse and the Washington Quarter obverse...

Unique Great Britain Queen Elizabeth II Crown Trial Strike



This is a unique Crown die trial strike (1957) for preparing the copper-nickel Crown for Queen Elizabeth II in 1960...

Belgium Silver 50 Centimes Mule



The reverse die is dated 1899 but was incorrectly muled with an obverse die dated 1907...

Lincoln Cent Double Denomination Mint Error



It is the first year that dimes were struck in the clad composition and this is in demand in the 11-cent series...

1900 Indian Head Cent Multi-Struck 20% Off-Center On A Silver Dime Planchet



This unique and spectacular mint error was intentionally struck at the U.S. Mint in Philadelphia...

1882 Shield Nickel Struck On A Cent Planchet



This Shield Nickel was struck on a bronze planchet that the U.S. Mint intended to use for the production of Indian Cents...

Prices Realized in the August 2019 ANA Heritage Auction



The following mint errors sold in the August 14-18, 2019 ANA World's Fair of Money US Coins Signature Auction...

NGC Certifies Unique U.S. 25¢ Feeder Finger From The Denver Mint Grabener Press



This is the only known full-size feeder finger for any U.S. denomination that has not been struck by coin dies...

An Exciting Collection of Major Mint Error Coins



I wanted to share some exciting error coins with the readers of Mint Error News...

Unique Set of Mexico Proof Pattern Mint Errors



This is a unique, incredible and dramatic set of 5 proof pattern mint errors...

Legendary Wrong-Planchet Rarity Sells in Heritage Auction at FUN Show



The 1943 bronze Lincoln cent is listed among both the 100 Greatest U.S. Coins and the 100 Greatest U.S. Error Coins...

NGC Counterfeit Detection: 1954-D Quarter (Counterfeit Second Strike)



This coin is real, but the second strike error is not...

Unique Netherlands Gilt Cardboard Pattern



Most cardboard trials are struck on just one side, but this one is made like an actual coin...

Unique Mated Pair of U.S. Currency Errors



These $5 1950 notes stayed together during the entire printing and production process...

Mint Errors Featured in Upcoming ANA Heritage Auction



The following mint errors are featured in the August 2019 ANA World's Fair of Money Heritage Auction...

Unique Civil War Merchant Token Mule



This famous unique Civil War merchant token as been in some of the world's finest numismatic collections of Civil War tokens...

Prices Realized in the June 2019 Long Beach Heritage Auction



The following mint errors sold in the June 6-9, 2019 Long Beach Expo US Coins Signature Auction...

NGC Certifies Unique Great Britain Lead Die Trial



This unique die trial has a thickness of 5.69mm and was encapsulated in an NGC holder that is twice as thick...

A Collection of Bicentennial Washington Quarter Mint Errors



I wanted to share some Bicentennial Washington Quarter Errors with the readers of Mint Error News...

Martha Washington Reverse Die Used To Strike 1 Cent Experimental Test Pieces For U.S. Judd #2180



There is only one other known Martha Washington Die in private hands...

Pittsburgh ANA 2019



There were a few impressive error coins on exhibit at the show...

NGC Certifies Rare 1943 Copper Cent



Fewer than two dozen Philadelphia Mint examples of these famous mint errors are known to exist...

Another "Off-Metal" World Coin Struck on a Different Country's Planchet



This type of major error is exceedingly rare, but in this case I consider it to be unique...

A Unique Great Britain Guinea/Sovereign Pattern



Recently surfaced after 200 years...

Washington Quarter Struck 70% Off Center on a Clad Layer Uniface Reverse



I bought this coin thinking that it was an off center statehood quarter that split after striking error...

2007-D SMS Dime Obverse Die Cap



In 2007 a batch of rare major error coins came out of the Denver mint...

A Unique Great Britain Mule



It is a proof-only date and even rarer as a mule with the threepence obverse...

NGC Now Certifies and Encapsulates Cancelled Dies



Here's how to submit these impressive numismatic collectibles to NGC...

Prices Realized in the April 2019 Central States Heritage Auction



The following mint errors sold in the April 2019 Central States (CSNS) US Coins Signature Auction...

NGC Certifies Unique Two-Tailed Off-Metal 10 Cent Euro



The only known 10 Cent Euro struck with two reverse dies and is off-metal on a chrome plated iron planchet...

More San Francisco Mint Off-Metal Errors



I wanted to share some more San Francisco Mint Off-Metal Errors with the readers of Mint Error News...

PCGS Certifies Two-Headed Off-Metal Russia 50 Roubles



Should Be Struck in Gold and in Proof...

Baltimore Coin Show Report, March 2019



Overall, we were pleased with the Baltimore show...

NGC Grades Mistakenly Released Reverse Proof Cent



The coin was not supposed to be available to the public until mid-April...

U.S. Lincoln Cent Overstruck by Bolivian Dies



A unique error that is both dual country and a double denomination...

PCGS Certifies Ike Dollar Struck Off-Center on Taiwan $1 Planchet



The coin was close to the size of a quarter but lacked the clad layers...

ICG Certifies 2019 Silver American Eagle Major Struck Thru



There is extended plastic free floating in the ICG custom slab...

NGC Certifies Unique Mint Canceled Martha Washington Quarter Test Strike



Newly redesigned Martha Washington dies were used to strike test pieces at the United States Mint in 2011 and 2012...

Prices Realized in the March 2019 Denis Burger Collection of Crowns and Mint Errors Heritage Auction



The following mint errors sold in the March 2019 Denis Burger Collection of Crowns and Mint Errors...

NGC Certifies & Encapsulates Unique Pair of Mercury Dime Dies



This is a recent discovery of a unique pair of 1935 Mercury Dime obverse and reverse dies from the Philadelphia Mint...

A Collection of San Francisco Mint Off-Metal Errors



I wanted to share this group of San Francisco Mint Off-Metal Errors with the readers of Mint Error News...

NGC Certifies Unique Great Britain Proof Gold Pattern



This unique gold pattern portrays a new portrait of Queen Victoria on the obverse...