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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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PAN Spring Coin Show - CONECA Table Staffing

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  • PAN Spring Coin Show - CONECA Table Staffing

    Looking for some CONECA volunteers to assist me with our club's table at the PAN coin show this May 2021. Location is the Convention Center in Monroeville, PA. Dates are Thursday through Saturday May 6-8. If interested in helping, please call me at 814 233-9552. Hope to hear from you soon!!
    James Zimmerman
    Coneca N-911
    Pennsylvania State Representative