Category Archives: planchet errors

Heritage Offers Minting Miscues From the Don Bonser Collection, Part 1

When coins are manufactured, things don’t necessarily go as planned, and the results can be both very intriguing and highly collectible. The Don Bonser Collection of United States Error Coins, Part 1 is evidence of this, containing over 160 examples of Murphy’s Law in action. This month-long auction is open now for bidding at Coins.HA.com, […]

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Mike Byers Mint Error News – Rare Buffalo Nickel on 10 Centavos Planchet

1919 Buffalo Nickel Off-Metal Struck on Argentina 10 Centavos Planchet NGC MS 62 Extremely Rare – 3 Known   By Mike Byers for Mint Error News …… The United States Mint struck coins for Argentina in 1919 and 1920. This amazing fully lustrous Buffalo Nickel struck on an Argentina 10 Centavos planchet was just authenticated […]

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Mike Byers Mint Error News – Unique Multiple Error Clad Ike Dollar Struck on Quarter Planchet

Also Features a 70% Reverse Indent by a QUARTER Planchet   By Mike Byers for Mint Error News …… All Ike dollar off-metals are highly prized by serious collectors of major U.S. Mint Errors and collectors of Ike dollars. The only two that are occasionally available are the Ike dollar struck on a Philippine 1 […]

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Mike Byers Mint Error News – Unique 1974-S Aluminum Lincoln Cent Obverse Struck on Philippine 1 Sentimo Planchet

The Only 1974 Aluminum Cent That Can Be Privately Owned   The 1974 aluminum cent is world famous. Proposed in 1973 and struck in 1974, it was never released into circulation. The United States Mint distributed several to members of Congress, but they were recalled by Mint Director Mary Brooks and destroyed. One example struck […]

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Mike Byers Mint Error News – 1973-S Proof Clad Ike Dollar Double Struck on 50¢ Planchet

By Mike Byers for Mint Error News …… This is one of the most spectacular Proof Ike dollar mint errors of all time. Not only is it a spectacular double struck, but it is also struck on a clad half dollar planchet. There are two Proof Ike dollars known that were double struck on clad […]

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Mike Byers Mint Error News – Unique 1870 Standard Silver Dime on Copper Nickel Planchet

By Mike Byers for Mint Error News …… This is a unique and spectacular mint error, a proof pattern off-metal. It was struck on a copper nickel planchet instead of a silver planchet. It is composed of 76% Cu and 24% Ni, which is copper-nickel. It weighs .99 grams. PCGS has certified the coin as […]

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

An incredible error coin certified by Numismatic Guaranty Corporation® (NGC®) realized $51,754 USD at an auction by GreatCollections. The coin was erroneously struck on a smaller planchet intended for a quarter and is believed to be unique for the Seated Liberty half dollar series. The coin, struck in the 1870s, was recently discovered in a […]

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Mormon Gold, Planchet Error SBA Among Highlights of Heritage Auctions’ World’s Fair of Money Coin Auction

By Lianna Spurrier for CoinWeek ….. In conjunction with the ANA World’s Fair of Money in Chicago, Heritage will be holding an auction from August 13-20 featuring a wide array of US coins, colonials, patterns, and world coins. It will be held at the Donald E. Stephens Convention Center, with viewing from August 11-17. Primarily […]

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Pez Heads and Starburst: Errors and “Errors” of George Washington Presidential Dollars

By Lianna Spurrier for CoinWeek ….. In 2007, eBay exploded with different varieties and errors of the new George Washington presidential dollar coins. The series was the first circulating coinage to feature edge lettering in 74 years, so it was bound to have some problems. Some of those errors are still well-known today, but others […]

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Live at the ANA with CoinWeek – Charles Morgan talks with Charmy Harker The “Penny Lady”

The “Penny Lady” show us a 25 planchet Lincoln Cent Error One of the joys of collecting is the people that you meet and interact with. That is also true of Coin Dealers. Charmy Harker is known as the “Penny Lady” for her love and knowledge of all things about Indian Head and Lincoln cents. […]

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