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Coin surface

Dads Stuff

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Must be my day for questions. And I hope this isn't a stupid one. Please look at this Franklin. Part of the coin seems to have a milky or chalk like coating and the other part is very shiny. What is the stuff that is covering the shine?







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To be quite honest it could be almost anything. And this will likely cause some major disagreement - and it ties in with one of your other questions - but I have seen coins that were dipped in acetone, and yes pure acetone, develop just that same look you describe. It does not happen all the time, but it happens.

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