My question is... 1. Could this have come from the mint this way? 2. If so, how would you determine if it had been de-plated or not? I see no signs of copper anywhere and all of the strike detail is sharp.
I know there is a chemical that dissolves zinc and leaves copper untouched so I'm guessing it possible that a similar chemical exists that affects copper only - but I dont know. Not that this helps answer your question anyway :P
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