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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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1998D cent machine doubling yes/no

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  • Tuebits
    Tuebits
    • Feb 2008
    • 301

    1998D cent machine doubling yes/no

    Please looke at this 1998 D Cent, the second 9 inside the top loop. Do you think it is machine doubling or no.

    Tuebits
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  • diamond
    • Jul 2007
    • 2040

    #2
    It looks like either a minor planchet defect, a tiny strike-through, or, perhaps, a little bit of die damage. It's definitely not a doubled die or machine doubling.
    Mike Diamond. Error coin writer and researcher.

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