What the heck ?
ToManyPennies
Posts: 3 ✭
in Q & A Forum
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Please show the whole coin when making inquires.
From what I can see, they look like plating blisters. Once they break, air will attack
the zinc core and the coin will start to rot away.
Zinc rot / corrosion blisters
Not good 😕
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A common issue on zinc coins.
Blisters, corrosion and rot.
Wayne
Kennedys are my quest...