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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

If you're not a member and would like to join see our Membership Application

We thank everybody who has helped make CONECA the great success that it is today!

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JoeBlack88
JoeBlack88
Last Activity: 05-20-2026, 06:55 AM
Joined: 01-05-2026
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  • JoeBlack88
    JoeBlack88 posted a Visitor Message for JoeBlack88
    Here is my 1943 penny. I’m unsure if this would be a DDO and DDR? Thanks for looking....
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    This gallery has 7 photos.
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  • JoeBlack88
    started a topic 1963D DDO
    in Die Variety Image Gallery

    1963D DDO

    Hello all, my name is Joe Black. Would like to share a picture of my 1963D. Would this be considered a DDO or D/D
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    This gallery has 1 photos.
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