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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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1980 Lincoln D/D...or D/D/D ?

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  • 1980 Lincoln D/D...or D/D/D ?

    you can pretty clearly see 3 layers in this mintmark.it shows both inside and outside the mintmark.

    what do you guys think? thanks for looking.





  • #2
    While your pictures are good, it still does not answer the question that this may be machine doubling. I think that only n in hand examination of the coin could determine that.

    BJ Neff
    Member of: ANA, CCC, CONECA, Fly-in-club, FUN, NLG & T.E.V.E.C.

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