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

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CONECA Table at PAN Show - October 2020 - Monroeville, PA

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  • Zimmy
    Had a great show with lots of activity at our table. I will be writing up the show in the next issue of Errorscope. Hopefully the March 2021 show will be a go and if it is, looking for anyone who wants to help, even for a few hours.

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  • CONECA Table at PAN Show - October 2020 - Monroeville, PA

    This is Jim Zimmerman, CONECA is looking to set up a club table at the PAN Coin Show in Monroeville, PA the end of October 2020. I will be heading up the table. Please contact me if you are interested in helping out. I plan to be there all day Friday and Saturday. Contact me at jzimmerman0610@comcast.net Thanks!