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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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1972 Lincoln..machine doubling?

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  • #1

    1972 Lincoln..machine doubling?

    Please excuse the poor photos, hope this loads right LOL
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  • #2
    That has the appearance of machine damage doubling.

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

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    • #3
      Originally posted by wavysteps View Post
      That has the appearance of machine damage doubling.

      BJ Neff
      Thanks for your reply, even after carefully examining photos of doubled dies I still have a heck of a time telling the difference. Probaly will always have to ask.

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      • #4
        Definitely MDD. The secondary image is low, flat, shelf-like, and there is an absence of spit serifs.
        CONECA 20th Century Die Variety Attributer

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        • #5
          Originally posted by JamesWiles View Post
          Definitely MDD. The secondary image is low, flat, shelf-like, and there is an absence of spit serifs.
          Thank you for looking Mr. Wiles, and for the explanation.

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