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CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

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J Buchanan proof coin

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  • #1

    J Buchanan proof coin

    This is the J Buchanan proof coin from the presidential proof dollar set. Does anyone know what caused this? Other Presidents from this same set & other sets have a similar problems.
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  • #2
    There's nothing wrong with the coin. It's the plastic. Consult this thread:

    http://forums.collectors.com/message...hreadid=763694
    Mike Diamond. Error coin writer and researcher.

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    • #3
      Thank you very much for taking the time to view this & your reply

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