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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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  • #1

    Not completly sure about this one

    Need a little help to explain this coin
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  • #2
    It's a stiff collar error. A planchet was fed into the striking chamber a little off-center and was forced into a collar that was frozen in the "up" position by the impact of the hammer die. You almost have a strike clip, as the part of the planchet that was trapped above the collar was almost sheared off. Neat error and a nice demonstration of how elliptical strike clips are created.
    Mike Diamond. Error coin writer and researcher.

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    • #3
      Originally posted by diamond View Post
      It's a stiff collar error. A planchet was fed into the striking chamber a little off-center and was forced into a collar that was frozen in the "up" position by the impact of the hammer die. You almost have a strike clip, as the part of the planchet that was trapped above the collar was almost sheared off. Neat error and a nice demonstration of how elliptical strike clips are created.

      Thank you very much

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