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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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1964 d ddo

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  • #1

    1964 d ddo

    64 d ddo
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  • #2
    Not a DDO. I strongly suggest you read up as much about doubled dies as you can. There is tons of info, and plenty of photos and listings of actual doubled dies on the internet. Somehow, you are missing it.
    Bob Piazza
    Lincoln Cent Attributer

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    • #3
      You need to look at way more coins, like thousands of Lincolns. Organize four $20 boxes if Lincolns by date then examine them by year. Do not ask any questions from anyone until you're done. Try and answer your own questions when you finish, then post coins you cannot answer.
      Jason Cuvelier

      CONECA
      Lead attributer

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