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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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Anomaly on a 1999-P Susan B. Anthony Dollar by Ervin Carpenter
in General Forum
Started by Ervin Carpenter, 02-07-2026, 11:10 AM
in General Forum
2 responses
15 views
0 reactions
 Last Post Ervin Carpenter
by Ervin Carpenter
02-08-2026, 01:29 PM  
finning on this cent? by kurtrr
in Mint Error Image Gallery
Started by kurtrr, 02-06-2026, 10:07 PM
in Mint Error Image Gallery
2 responses
11 views
0 reactions
 Last Post MintErrors
by MintErrors
02-08-2026, 12:24 PM  
1943 D Jefferson WDDO-001 ? by Ronald Ozimek
in Die Variety Forum
Started by Ronald Ozimek, 02-06-2026, 10:21 AM
in Die Variety Forum
2 responses
11 views
0 reactions
 Last Post eaxtellcoin
by eaxtellcoin
02-07-2026, 10:38 PM  
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