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Gas or PMD?

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    jmlanzafjmlanzaf Posts: 31,935 ✭✭✭✭✭
    edited January 12, 2023 1:55AM

    Probably a plating blister or zinc rot. Need better photos.

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    jmlanzafjmlanzaf Posts: 31,935 ✭✭✭✭✭

    @PerryHall said:
    Maybe a Rockwell Hardness Test was performed on the die that struck this coin. ;)

    Several.

    LOL.

    That was actually my first thought, but I didn't want to poke the bear.

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    rickoricko Posts: 98,724 ✭✭✭✭✭

    Looks like plating bubbles to me.... Poke with a needle.... No numismatic premium. Cheers, RickO

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    rickoricko Posts: 98,724 ✭✭✭✭✭

    That picture is better and certainly appears to be plating bubbles. Try the needle poke. Cheers, RickO

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