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Another dime

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  • Rich Johnson
    Thanks for the info on the other dime Mike. Another photo at end of photo section. Seems this must have been struck with excessive pressure to make it so
    Message 1 of 2 , Jul 31, 2004
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      Thanks for the info on the other dime Mike. Another photo at end of
      photo section. Seems this must have been struck with excessive
      pressure to make it so thick. It does weigh 2.2 grams and is almost
      double the thickness of othe dimes. Rich
    • Mike Diamond
      You are correct, Rich. This is called finning or a finned rim . A thin vertical flange of metal squeezes into the narrow gap between die neck and collar as
      Message 2 of 2 , Jul 31, 2004
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        You are correct, Rich. This is called "finning" or a "finned rim".
        A thin vertical flange of metal squeezes into the narrow gap between
        die neck and collar as the result of excessive striking pressure. It
        can also be due to a very slight amount of die tilt, which
        concentrates pressure at one pole.

        The Error Coin Encyclopedia repeats information obtained from the
        Mint that this error is caused by an excessively large gap between
        die neck and collar. This is completely wrong. The diameter of
        these coins does not deviate from normal diameters, and the width of
        the design rim is normal.

        So it's just a matter of too much overall striking pressure, or too
        much localized striking pressure.

        --- In errorcoininformationexchange@yahoogroups.com, "Rich Johnson"
        <rdjrich@a...> wrote:
        > Another photo at end of
        > photo section. Seems this must have been struck with excessive
        > pressure to make it so thick. It does weigh 2.2 grams and is almost
        > double the thickness of other dimes. Rich
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