By Mike Byers for Mint Error News …… UNIQUE GOLD QUARTER 1970-S Proof Washington 25¢ Overstruck on 1898 Liberty $5 Gold Coin 8.3 Grams NGC PF 66 This gold Washington quarter is far and beyond the most incredible modern United States Mint error ever to be discovered. The closest six-figure modern U.S. Mint error […]
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1970-S Proof Washington Quarter Struck on a Silver Barber Quarter NGC PF 65 One of Two Known By Mike Byers for Mint Error News …… Proof 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 […]
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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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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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By Joshua McMorrow-Hernandez for CoinWeek ….. We hear about many rare coins in the media that are worth big bucks, inspiring some of us to seek out these valuable pieces in hopes of striking it rich. The disappointing reality is that most of the coins making headlines are extraordinarily rare and thus virtually impossible to […]
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