1970 S RPM Attribution Challenge

Discussion in 'Error Coins' started by SorenCoins, Jun 21, 2026 at 6:06 PM.

  1. SorenCoins

    SorenCoins Well-Known Member

    Hi all! Happy Father’s Day :)

    Came across this 1970 S Large Date cent in a lot of coins I bought while in Switzerland. What is going on with this mintmark? Looks like the top of the S has a die chip or damaged mintmark punch? In the lower loop of the S it looks like the middle bar of the S has been replicated three times?

    I am assuming this is an RPM and not a damaged mintmark punch, but could be wrong there. It looks similar to some on CopperCoins and VarietyVista, but struggling to see a match.

    What do you all think?
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  3. alurid

    alurid Well-Known Member

    A coin I have looks similar to yours. I alway thought there was a die chip inside to mintmark. Both coins being struck with a damaged mintmark punch is a possibility.
    Note my coin is a small date, which had to be made with a different die.
    But yet has a similar mm.
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