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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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279773
279773
Last Activity: 01-06-2025, 08:51 AM
Joined: 02-22-2023
Location: Maine
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1963 1-Cent. Does it have a hardness test mark? (Topic in the Die Variety Forum forum)
06-13-2024, 05:29 PM
1963 Denver Jefferson nickle new RPM? (Topic in the Mint Error Forum forum)
01-28-2024, 07:25 PM
1964 D 1-Cent. Does it have a curved clip? (Topic in the Mint Error Image Gallery forum)
01-10-2024, 09:53 PM
1964 D dime with??? (Topic in the Die Variety Image Gallery forum)
10-30-2024, 01:25 AM
1964 D nickel (Topic in the General Forum forum)
04-11-2023, 10:16 PM
1964 dim e (Topic in the Mint Error Forum forum)
01-05-2024, 09:51 PM
1965 1 cent. Is this a DDO? If you don't mind me asking. . (Topic in the Die Variety Forum forum)
03-02-2023, 01:10 AM
1965 1-Cent. Attached Lamination error? (Topic in the Mint Error Forum forum)
01-14-2024, 11:19 PM
1965 1-Cent. Does it have double flat clips? (Topic in the Mint Error Forum forum)
12-20-2023, 09:01 PM
1965 peso .1000 silver. Rotated die? (Topic in the Foreign Errors and Varieties forum)
06-25-2023, 11:21 PM
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