Counterfeit Coin Detection By Paul Sandler, NGC Grader/Researcher…… Altered dates and outright counterfeits are the two most common types of fake 1942/41 Mercury Dimes you will encounter in Counterfeit Coin Detection. The 1942/41 Mercury Dime from the Philadelphia Mint is one of the most well-known overdates on any US coin. Although the variety was first discovered […]
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