Chemicals, Dirt Used to Alter Coins
Mar 05, 2021
2 minutes
BY F. MICHAEL FAZZARI
In case you missed my last column, I confessed to being a coin doctor. In my defense, I claimed to alter the surfaces of coins to conserve them or make them more attractive rather than to deceive collectors. I showed how a lacquered surface could often be detected by its liquid-like rainbow color and how residues or debris might
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