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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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1982 1 C. Reverse clash. In memorial. (Topic in the Mint Error Forum forum)
04-21-2023, 06:54 PM
1982 1cent. Polished die clash. (Topic in the Die Variety Forum forum)
04-05-2023, 01:10 PM
1983 1 c. Four cracks Reverse . (Topic in the Mint Error Forum forum)
05-28-2023, 10:57 AM
1983 1-Cent. Gem coin. Die clash reverse? (Topic in the General Forum forum)
08-25-2023, 01:20 AM
1983 P 1-Cent. Is this a Strikethrough debris? (Topic in the Mint Error Forum forum)
09-28-2023, 12:44 AM
1983 P 1Cent. Is it dieclash or occluded bubble. Obverse. Relief. (Topic in the Mint Error Forum forum)
01-24-2024, 06:51 PM
1983p 5 cent. Is this MAD, or Doubled both sides, with worn die? (Topic in the Mint Error Forum forum)
02-26-2023, 02:17 AM
1985 1 Cent. Lincoln Memorial. Greased obverse. Misaligned Die obverse. (Topic in the Mint Error Forum forum)
08-20-2023, 04:09 PM
1985 1-Cent. Spike Head Reverse. (Topic in the Die Variety Forum forum)
03-21-2023, 06:41 PM
1985 P 1-Cent. DIE CLASH REVERSE? (Topic in the Mint Error Forum forum)
01-27-2024, 02:23 PM
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