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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.

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit us our main site Here

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2010 P Dime

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  • #1

    2010 P Dime

    What am I seeing to the south of each of these letters? Are these die chips or a form of doubling? Best I can do as far as photography. Thanks







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  • #2
    Nice pictures. I don't see anything resembling any sort of hub doubling (single squeeze or any other). I would subscribe it to die wear, or more specifically die deterioration doubling - I say this though with a slight reservation in that I have not studied recent characteristics of die aging on clad coinage.
    Jason Cuvelier

    CONECA
    Lead attributer

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