Discoveries

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

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indentThis 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 the State of California. There is a significant amount of detail on both sides showing the design of the Canadian Quarter. This is a flip-over where the obverse design of the Canadian Quarter which shows the portrait of King George V is visible underneath the U.S. Quarter reverse design. The reverse design of the Canadian Quarter showing the wreath is visible underneath the U.S. Quarter obverse design. This is one of the most fascinating and intriguing proof mint errors ever discovered.

indentProof coins are struck by technicians who hand feed the blanks into special presses. They are produced, examined and packaged using extreme quality control. It is very unusual to find major proof errors. A few broadstrikes, off-centers, double strikes (in collar) and off-metals have been known to be found in sealed proof sets. Proof errors are aggressively sought after by many error collectors.

indentA very small group of Proof errors recently came from a collection that was auctioned by the State of California. The U.S. Secret Service inspected and released this collection to the State of California determining that it was legal to own. The State of California then auctioned the collection and it has been dispersed since the sale.

indentA different 1970-S Proof Quarter from the United States was overstruck on a 1941 Quarter from Canada. It was authenticated and certified by NGC as PR65. The unique 1970-S Proof Washington Quarter overstruck on a 1941 Canadian Quarter is the only one known with King George VI. It went viral and was featured on Fox News, USA Today and countless other publications.

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These famous and enigmatic Washington Quarters from the San Francisco Mint struck in Proof, over a U.S. Silver Barber Quarter (1892-1916) and over a 1941 Canada Silver Quarter. These were both featured in a TV interview I did with Fox News. These fascinating errors went "viral" and were featured in USA Today, London's Daily Mail, AP News, Coin Week, New York Post, Newsmax, NBC News, Numismatic News, Time Magazine and on Maria Bartiromo's TV show.


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Proof Errors are featured in the NLG award
winning book, World's Greatest Mint Errors.

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chapter 19




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