Well, I don't know for sure what is going on with this coin. If it happens to not be just a coating, I don't want to ruin it. Chances are that it is just a coating, but is there a way that doesn't involve destroying the finish? I suppose that I should of been more clear with my question.
More than likely it has been plated by someone outside the mint. If you want to figure it out, weigh the coin in grams with at least a 2 place balance.
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