Category Archives: overstrikes

Mike Byers Mint Error News – Unique 1970-S Proof Washington Quarter Overstruck on Canadian Quarter

King George V (1911-1936) 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. It was authenticated and certified by NGC as PR64. This was most likely from the group of San Francisco Proof Errors that was auctioned by […]

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Mike Byers Mint Error News – Unique 1970-S Proof Washington Quarter Overstruck on Canadian Quarter

King George V (1911-1936) Mint Error This unique 1970-S Proof Quarter mint error from the United States was overstruck on a Canadian Quarter that circulated during the reign of King George V from 1911-1936. It was authenticated and certified by NGC as PR64. This was most likely from the group of San Francisco Proof Mint […]

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Mike Byers Mint Error News – Proof Bicentennial Quarter 2x Struck on Roosevelt Dime

Proof 1776-1976 S Bicentennial Quarter Double Struck on Struck Roosevelt Dime DOUBLE DENOMINATION PCGS PR 67 CAMEO Unique Discovery Coin   By Mike Byers for Mint Error News …… This is the only known Proof Bicentennial Quarter double struck over a struck dime. It is also the only known double struck U.S. Proof coin overstruck […]

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Mike Byers Mint Error News – Unique 1863 California Fractional Gold 25¢ Overstruck on 1860/50

1863 Round Liberty Gold 25¢ California Fractional Gold BG-820 Overstruck on 1860/50 BG-819 NGC MS 61 UNIQUE DISCOVERY COIN   By Mike Byers for Mint Error News …… This is a unique 1863 California Fractional Gold 25¢ overstruck on a previously struck 1860/50 Gold 25¢. In fact, it is the only known overstruck California Fractional […]

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Gem 1882-O/S Strong Overstrike Morgan Dollar Highlight at GreatCollections

By CoinWeek …. On Sunday, July 5, bidding ends on GreatCollections.com for this 1882-O/S Strong overstrike Morgan silver dollar, graded MS-65 by PCGS. It is pedigreed to the notable Bella Collection in the PCGS Set Registry. This coin is one of two coins of the Strong overstrike type graded MS-65 by PCGS, with only one […]

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Condition Census 1787 New Jersey Copper Featured in May Stack’s Bowers Baltimore Auction

  By James McCartney – Senior Numismatist, Stack’s Bowers …….. Our May 2019 Baltimore Auction will feature an impressive selection of United States colonial coins from the Collection of Larry L. Terrell, including over 65 different varieties of New Jersey coppers. Among the many highlights from this group is an example struck from the Maris […]

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NGC Certified Pattern Struck on Gilded and Cutdown Seated Liberty Dime

This recent discovery was previously unknown to the numismatic community Authenticated and certified by NGC (and approved by CAC), this 1852 gold dollar pattern (Judd 138) is the only known U.S. pattern or coin that was gold plated (gilt) by the United States Mint and then overstruck. It was originally a silver Seated Liberty dime […]

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Collecting 18th Century New Jersey Copper Coins

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #394 A Weekly Column by Greg Reynolds …..   Between the signing of the Declaration of Independence on July 4, 1776, and the enactment of the United States Constitution on June 21, 1788, the federal (national) government did not establish an […]

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Heritage Auctions – Finest 1918/7-S Standing Liberty Quarter Ever Offered at Auction

1918/7-S 25C FS-101 MS67 NGC No issue in the entire Standing Liberty quarter series is as much of a rarity in high grade as the 1918/7-S. The overdate was not discovered until nearly two decades after its creation, by which time collectors’ best chance of finding an example was to pluck a worn piece from […]

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World Coin Profile – Philippines Manila Overstrike 8 Reales of 1830

By Greg Cohen,  Based on lot description by Kyle Ponterio, Numismatist World Coins Stack’s Bowers ……. All collectors of Philippines coins will be watching during the Stack’s Bowers Galleries New York International Numismatic Convention Sale as we present the Ray Czahor Collection of items related to this historic and sometimes overlooked area. The Philippines have […]

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