Mint Error Forum - CONECA Error-Variety Coin Forum

Welcome!

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!

Forums	Topics	Posts	Last Post
Mint Error Image Gallery Photos shared by our members. Topics: 372 Posts: 1,212 Last Post: 1969-S DDO?	372	1,212	1969-S DDO? by Ervin Carpenter 01-20-2026, 11:33 PM

Topics	Statistics	Last Post
Closed, Sticky: Mint ERROR by jcuve Started by jcuve, 04-25-2021, 04:23 PM	16 responses 607 views 1 reaction	Last Post by jcuve 04-25-2021, 04:54 PM
Closed, Sticky: Forum Protocols by jcuve Started by jcuve, 04-25-2021, 03:57 PM	0 responses 140 views 0 reactions	Last Post by jcuve 04-25-2021, 03:57 PM
Closed, Sticky: NO GRADING QUESTIONS by jcuve Started by jcuve, 03-14-2021, 07:01 PM	0 responses 134 views 0 reactions	Last Post by jcuve 03-14-2021, 07:01 PM
2020 D Lincoln, Zinc like appearance .772mm dia.? by qwackers Started by qwackers, 01-20-2026, 10:37 AM	2 responses 18 views 0 reactions	Last Post by qwackers 01-20-2026, 09:11 PM
1968 D Kennedy half that shows a weight of 12.5g by qwackers Started by qwackers, 01-08-2025, 03:12 PM	26 responses 283 views 0 reactions	Last Post by qwackers 01-20-2026, 10:23 AM
1953 1 C. Clashlike chip. by 279773 Started by 279773, 04-29-2023, 07:12 AM	6 responses 58 views 0 reactions	Last Post by DB426 01-18-2026, 03:21 PM
1983 P Lincoln penny possible doubling on the ear. by JakeSr1109 Started by JakeSr1109, 01-16-2026, 05:27 AM	1 response 19 views 0 reactions	Last Post by MintErrors 01-16-2026, 12:02 PM
Mint error 2015 P Roosevelt Dime by Steve337 Started by Steve337, 01-04-2026, 02:29 PM	12 responses 99 views 0 reactions	Last Post by Steve337 01-09-2026, 08:33 PM
Redirect: RPM 1960 D Lincoln Memorial Cent? by Chadpage154 Started by Chadpage154, 12-28-2025, 07:31 PM	—	—
Jefferson planchet clip 1 of 2 by Ronald Ozimek Started by Ronald Ozimek, 12-14-2025, 12:57 PM	3 responses 39 views 0 reactions	Last Post by MintErrors 12-15-2025, 03:53 AM
1942 Jefferson clip 2 of 2 by Ronald Ozimek Started by Ronald Ozimek, 12-14-2025, 01:01 PM	0 responses 22 views 0 reactions	Last Post by Ronald Ozimek 12-14-2025, 01:01 PM
1954 FRANKLIN HALF "ORIGINAL BAG FRAGMENT" by rbroederer Started by rbroederer, 12-11-2025, 12:10 AM	1 response 39 views 0 reactions	Last Post by MintErrors 12-11-2025, 05:01 AM
1954 Quarter Die Crack And? I Call it Reverse R 54 Known Error? by Errorologist Started by Errorologist, 12-04-2025, 01:08 AM	4 responses 58 views 0 reactions	Last Post by Errorologist 12-08-2025, 11:24 AM

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