Mint Error Forum

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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!

Forums	Topics	Posts	Last Post
Mint Error Image Gallery Photos shared by our members. Topics: 358 Posts: 1,176 Last Post: Jefferson Filled Die in eye and “Beehive” Chip	358	1,176	Jefferson Filled Die in eye and “Beehive” Chip by MintErrors 01-18-2025, 10:04 AM

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Topics	Statistics	Last Post
Closed, Sticky: Mint ERROR by jcuve Started by jcuve, 04-25-2021, 04:23 PM	16 responses 493 views 1 like	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 103 views 0 likes	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 114 views 0 likes	Last Post by jcuve 03-14-2021, 07:01 PM
Planchet error? by Ronald Ozimek Started by Ronald Ozimek, 04-03-2024, 11:44 AM	1 response 39 views 0 likes	Last Post by MintErrors 04-03-2024, 11:14 PM
Another possible planchet error? by Ronald Ozimek Started by Ronald Ozimek, 04-03-2024, 12:07 PM	1 response 48 views 0 likes	Last Post by MintErrors 04-03-2024, 10:48 PM
1985 P Roosevelt Dime Obv and Rev Clash by MtW124 Started by MtW124, 03-24-2024, 02:55 PM	3 responses 118 views 2 likes	Last Post by MtW124 04-03-2024, 04:45 PM
1926 Lincoln Cent Error? by Y-7337 Started by Y-7337, 03-30-2024, 08:12 PM	1 response 43 views 0 likes	Last Post by MintErrors 03-31-2024, 12:32 AM
1956 Lincoln Lincoln wheat with errors by Rabishop Started by Rabishop, 03-27-2024, 08:27 PM	0 responses 58 views 1 like	Last Post by Dutch-Tigger 03-30-2024, 09:47 AM
1955D quarter PMD or something else ? by uruman Started by uruman, 03-28-2024, 06:57 PM	8 responses 82 views 0 likes	Last Post by MintErrors 03-29-2024, 05:18 PM
2017 Dime D mint mark by normacuadra1@yahoo.com Started by normacuadra1@yahoo.com, 03-23-2024, 11:37 PM	4 responses 80 views 0 likes	Last Post by normacuadra1@yahoo.com 03-29-2024, 10:47 AM
Is this machine doubling? by pitt100 Started by pitt100, 03-26-2024, 07:46 PM	3 responses 62 views 0 likes	Last Post by MintErrors 03-28-2024, 11:59 AM
Inverted S Bicentennial proof by Psymon Started by Psymon, 03-24-2024, 01:11 PM	1 response 46 views 0 likes	Last Post by atrox001 03-26-2024, 01:31 PM
1941-D Mercury Dime - Shattered Die, Bi-Level Die Cracks, Lamination, or PMD? by CentR Started by CentR, 03-19-2024, 11:36 PM	6 responses 159 views 0 likes	Last Post by CentR 03-21-2024, 10:16 PM

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