Category Archives: Mint Errors

Famous Bronze 1943 Lincoln Cent in Stack’s Bowers Nov. Showcase Auction

  By James McCartney – Senior Numismatist, Stack’s Bowers …… The Bronze 1943 Lincoln cent is perhaps the most famous Mint Error to ever emerge from the United States Mint. Just about 20 distinct examples are known from the Philadelphia Mint and they are highly prized at all grade levels. When the U.S. mints switched […]

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Proof Cameo 1973-S Ike Dollar Double Struck on Half Dollar Planchet Sells at Heritage US Coin Signature Auction

By CoinWeek …. From August 3 through 9, Heritage Auctions held its August 2020 Signature Auction of U.S. Coins. Among the lots on offer were several mint error coins of various denominations. Most of these were sold on August 3. Sold on August 4, lot 3959 featured a Proof 1973-S Eisenhower dollar double struck on […]

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Spotlight on Mint Error Coins in Month-Long Heritage Auction

Mint errors take center stage in Heritage’s latest Month-Long Internet Auction. Bidding is open now, with the concluding Live Session scheduled for 6 pm CT on Saturday, August 15. All bidding will take place through coins.HA.com. One of the most famous mint errors is the copper 1943 cent, a coin intended to be struck on […]

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Mike Byers Mint Error News – Unique Proof 1776-1976 S Bicentennial Quarter Overstruck on 1967 Roosevelt Dime

Double Denomination & Dual Date   By Mike Byers for Mint Error News …… This is the only known Proof Bicentennial quarter struck over a Roosevelt dime. In addition, it is a “dual date” since the dime is dated 1967, an amazing nine years apart! 1976 Proof Bicentennial quarters were struck at the San Francisco […]

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Mike Byers Mint Error News – Proof 1970-S Kennedy Half Dollar Struck on Aluminum Shell Gas Token

Double Struck, One of Three Known (on Shell Gas Tokens)   By Mike Byers for Mint Error News …… This is an amazing and spectacular Proof major mint error. It is a 1970 Kennedy half dollar from the San Francisco Mint that is double struck on an aluminum Shell Gas token. In 1969 and 1970, […]

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Mike Byers Mint Error News – Unique Dual Mint Mark Proof 1776-1976 S Bicentennial Quarter Overstruck on Denver Lincoln Cent

Unique Dual Mint Mark Discovery   By Mike Byers for Mint Error News …… Upon closer examination of the understrike on the reverse of the quarter, Jon Sullivan of Sullivan Numismatics discovered and successfully matched up the “D” mint mark. The copper Lincoln cent was originally STRUCK IN DENVER prior to being overstruck by Proof […]

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

The 1943 Donald Lutes bronze cent, at left above, and the 1943-S Kenneth S. Wing bronze cent. The ultra-rare NGC-certified Lutes and Wing 1943 Bronze Cents each recently realized more than $200,000 and received wide media coverage Two of the rarest and most famous US coins have been brought together under a single owner. The […]

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Jeff Garrett: Collecting Error Coins

How to get comfortable in this challenging and fascinating corner of numismatics By Jeff Garrett for Numismatic Guaranty Corporation (NGC) ……   My daily assortment of emails contains quite a few inquiries about rare coins and coin collecting. People run across a news article, or something I have written about, and think they might have […]

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Mike Byers Mint Error News – NGC Certifies Unique Great Britain Lead Die Trial

By Mike Byers for Mint Error News …… This is the only known 1911 Great Britain 5 Pound Die Trial. It was struck on March 14, 1911, on an oversized lead planchet with a width of 44.32 mm and is 5.69 mm thick. It is a uniface die trial of the finished obverse die used […]

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NGC-Certified Seated Liberty Half Dollar Mint Error Realizes Over $50,000

Shown is the (1871-75)-S Half Dollar Struck on a Quarter Planchet, NGC Mint Error AU 50 that realized $51,754. Images courtesy of Numismatic Guaranty Corporation®
In a press release from Numismatic Guaranty Corporation ® (NGC®), we have learned that an error coin certified by them realized $51,754 at an auction by GreatCollections. The nearly 150-year old coin was struck on a wrong-sized planchet that was intended for a quarter

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Mike Byers Mint Error News – NGC Certifies Unique 25¢ Feeder Finger From Denver Mint

By Mike Byers for Mint Error News …… This is the only known full-size feeder finger for any U.S. denomination that has not been struck by coin dies. There are U.S. feeder fingers known that were struck by a private mint producing tokens and metals, that used the feeder fingers as the blank planchets. In […]

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Over $19.8 Million of United States Coins Sold by Stack’s Bowers at 2019 ANA Auction

The Stack’s Bowers Galleries Official Auction at the ANA World’ Fair of Money attracted collectors from all over the world to Rosemont, Illinois for one of the largest numismatic auctions of the year. This event was met with resounding success, realizing over $19.8 million in United States coins sold, and overall sales of $30.6 million […]

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Q&A: Can we account for the upsurge of interest in recent years in mint errors?

The following Q&A is excerpted from Clifford Mishler’s Coins: Questions & Answers:
Q: Can you account for the upsurge of interest in recent years in mint errors?
A: Major mint errors—overdates, off-center strikes, and multiple strikes—have long been of great interest to most collectors. Some of the more significant mint errors—die breaks, double dates, and clipped planchets—have also enjoyed a small but enthusiastic following for many years

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NGC Certifies Seated Liberty Half Dollar Error Struck on Quarter Planchet

Numismatic Guaranty Corporation® (NGC®) has certified an incredible error coin: a Seated Liberty half dollar struck on a quarter planchet. This stunning error is believed to be unique for the Seated Liberty half dollar series. The coin was recently discovered in an old collection that had been held by the Wheeler Family of New Jersey […]

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Q&A: Is any particular course available to teach me the “know-how” of coin collecting?

The following is excerpted from Clifford Mishler’s Coins: Questions & Answers:
Q: Is there any course available which would teach me the “know-how” of the hobby of coin collecting?
A:  Not in the academic sense, but neither is there a school to train presidents. Desire is the motive and application is the means to acquiring a working knowledge of coin collecting

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Q&A: Mercury dime Mint errors

The following is excerpted from Clifford Mishler’s Coins: Questions & Answers:
Q: Can you explain what is meant by a 1942/41 dime? Is it a dime struck with a dual date?
A: Two major “overdate” Mint errors exist for 1942, one from the Philadelphia Mint and one from the Denver Mint. Both were produced when production dies in the preparation process were first sunk with a 1941-dated hub die and then, by accident, finished with 1942 hub dies

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NGC Certifies Rare 1943 Copper Cent

Numismatic Guaranty Corporation® (NGC®) has certified a 1943 Copper Cent that was found in a gumball machine decades ago. The 1943 Copper Cent is generally regarded as the most famous of all mint errors. All 1943 cents were supposed to have been struck in zinc-coated steel so that copper could be conserved for more important […]

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Mint Error News – Unique Double Struck Peace Dollar

United States 1922 Peace Dollar Flip-Over Double Strike in Collar, PCGS AU58 By Mike Byers for Mint Error News …… Major mint errors in the U.S. Peace Dollar series are very rare. There are only a few known off-centers, broad strikes and double strikes. Thus, mint errors are many times rarer than Morgan Dollar mint […]

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NGC Experts Identify Missing Mintmark Mint Error on 2014 5oz Silver ATB Coins

Numismatic Guaranty Corporation® (NGC®) has identified five 2014 Great Smoky Mountains Five-Ounce Specimen coins with a significant mint error: they are missing the “P” mintmark. Issued since 2000, the America the Beautiful Quarters series honors America’s national parks, forests and other federally recognized sites. Each US state and territory gets one site recognized, and five […]

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Stack’s Bowers Galleries sets new record with sale of the 17th known Sacagawea dollar/Washington quarter mule

(2000)-P Sacagawea Dollar–Muled with a Statehood Quarter–MS-67. Hover to zoom

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PCGS Certifies Two Rare and Unusual Washington Quarter Errors

Professional Coin Grading Service (PCGS) recently certified two extremely rare and unusual Washington Quarter errors. The first is the third-known example of a two-tailed quarter likely struck in the 1965-1967 period. This piece, now graded PCGS MS62, was purchased by noted error specialist Fred Weinberg at the September 2017 Long Beach Coin, Currency, Stamp & […]

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Modern Coins at Stack’s Bowers ANA World’s Fair of Money Rarities Night Sale: Lots You Need to Know

By CoinWeek ….. The American Numismatic Association’s (ANA) World’s Fair of Money remains one of the largest coin conventions in the calendar year. Stack’s Bowers, an Official Auctioneer of the ANA World’s Fair of Money, will conduct a seven-session sale over the course of eight days with sale highlights featured in the Session Four “Rarities […]

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Stack’s Bowers: 1982-83 Bronze Lincoln Cent Errors Featured in August 2017 ANA Auction

By James McCartney, Numismatist & Cataloger – Stack’s Bowers …… The Denver Mint struck over 12 billion Lincoln cents in 1982 and 1983 combined, ensuring that the term “scarce” would never be associated with cents bearing those dates. However, oversights in quality control and perhaps a bit of luck have resulted in two cents from […]

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Mint Error News: Unique Certified Gold Belgium Franc Obverse Die Trial

1904 Design Overstruck on 1903 Design By Mike Byers for Mint Error News …… This is a unique, spectacular and dramatic Belgium Franc struck in GOLD. Below are examples of the 1903 obverse (French text) and the 1904 obverse (Dutch text), both struck in silver: It is an obverse die trial to test the die […]

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Mint Error News: PCGS Certifies Unique Two-Headed Nickel

United States 2000-P Jefferson Nickel Struck with Two Obverse Dies, PCGS MS65 By Mike Byers for Mint Error News …… This is the only known U.S. regular-issue coin of ANY denomination that was struck with two obverse dies (two-headed). It stands alone as a major U.S. numismatic rarity and proves that a United States two-headed […]

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NGC Certifies Rare 1942 and 1943 Wrong Planchet Cents

Numismatic Guaranty Corporation® (NGC®) has certified an extraordinary group of four 1942 and 1943 Lincoln Cents struck on the wrong planchets. Included in this group are two examples of the 1943 bronze (“copper”) cent, one of the most famous US error coins. In 1943, the US Mint used zinc-coated steel for Lincoln Cents instead of […]

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NGC Grades Rare Canadian Silver Maple Leaf Error

A unique Canadian Maple Leaf error is certified by NGC Numismatic Guaranty Corporation® (NGC®) has authenticated and graded an extremely rare Canadian Silver Maple Leaf error. This 2005 $5 Silver Maple Leaf was incorrectly struck on a 25.1g .9999 silver planchet intended for commemorative silver dollars instead of a 31.1g .9999 silver planchet used for […]

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Fresh Extremely Fine 1943 Copper Cent in Goldberg Pre-Long Beach Auction

1943 Lincoln 1C PCGS EF45 A Weekly CoinWeek Column by Greg Reynolds ….. Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #370 Just prior to the winter Coin, Stamp & Collectible Expo in Long Beach, California, the Goldbergs will conduct an auction of a wide variety of coins, medals […]

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CoinWeek News Wire for January 20, 2017

By Coinweek …. CoinWeek News Wire for January 20, 2017 Brain Food 1.) Yesterday Today with Alan McRae THIS week’s image is one of the Commonwealth Government’s first issue of bank notes, known as “superscribed notes”. With Federation in 1901, the new Commonwealth Government was empowered under the new Commonwealth Constitution to legislate for its […]

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Mint Error News: Unique Double Struck Peace Dollar

United States 1922 Peace Dollar Flip-Over Double Strike in Collar, PCGS AU58 By Mike Byers for Mint Error News …… Major mint errors in the U.S. Peace Dollar series are very rare. There are only a few known off-centers, broad strikes and double strikes. Peace Dollar mint errors are many times rarer than Morgan Dollar […]

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