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Re: Article on plated and counterfeit copper dimes and quarters now online

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  • fred_weinberg
    Yea, I have a big enough Gut that I hope I don t make too many big errors!
    Message 1 of 2 , Apr 8 7:27 AM
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      Yea, I have a big enough Gut that I hope I don't
      make too many big errors!



      --- In errorcoininformationexchange@yahoogroups.com, "Mike Diamond" <mdia1@...> wrote:
      >
      > http://www.coinworld.com/articles/viewarticle/full-thickness-pure-copper-10-and-25-coins-us
      >
      > Thanks again to John Lorenzo for his help in this study.
      >
      > The 1972-D dime managed to fool almost everyone. I was never entirely convinced of its authenticity and Fred Weinberg's gut told him there was something not quite right about it.
      >
      > One thing I've learned is that plated coins are not necessarily overweight. They can, in fact, be slightly underweight. I suspect that chemical cleaning prior to plating manages to strip a few hundredths of a gram from the coin's surface without appreciably affecting the clarity of the design.
      >
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