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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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lamination errors

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  • coinhawk
    • Jan 2021
    • 146

    lamination errors

    everybody knows from wich mint ..right philly? lol IMG_20210129_200403157.jpg
  • JC Stevens
    • Jan 2009
    • 123

    #2
    Because of the 1965 Coinage Act of 1965 which prohibited the use of mint marks you cannot tell which mint struck the coin in 1965, 1966 & 1967.

    Comment

    • jcuve
      Lead attributer
      • Apr 2008
      • 1497

      #3
      I agree with JC, no way of knowing. And none of these have a lamination error...
      Jason Cuvelier

      CONECA
      Lead attributer

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