I found this 1979 p LMC that has this weird texturing. Does anyone know what might have caused it? It kind of looks like it might have been struck through something but I don't know what. Would love to have your thoughts on it.
Looks like it was affected by a mild acid bath. (perhaps a soda product for a time) On a normal acid bath they use a stronger acid that reduces the coin a lot faster. It can thin and narrow a coin if the stronger acid is used. Probably just a slight reduction of weight on your coin. No premium. Just a damaged coin.
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