Die Variety 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
Die Variety Image Gallery Photos taken by our members. Topics: 315 Posts: 1,168 Last Post: Lincoln Cent 2022 D, VDB DDO.	315	1,168	Lincoln Cent 2022 D, VDB DDO. by Trenton110 02-16-2026, 08:17 AM

Topics	Statistics	Last Post
Sticky: RPM or DDO question ? HELP US help you. by MintErrors Started by MintErrors, 01-28-2025, 05:39 AM	0 responses 302 views 3 reactions	Last Post by MintErrors 01-28-2025, 05:39 AM
Sticky: 1883 Liberty RPD by sumdunce Started by sumdunce, 02-12-2022, 09:56 AM	13 responses 236 views 1 reaction	Last Post by MintErrors 12-13-2024, 02:14 PM
Closed, Sticky: Forum Protocols by jcuve Started by jcuve, 04-25-2021, 03:57 PM	0 responses 216 views 3 reactions	Last Post by jcuve 04-25-2021, 03:57 PM
Closed, Sticky: RPMs by jcuve Started by jcuve, 04-25-2021, 02:26 PM	4 responses 306 views 2 reactions	Last Post by jcuve 04-25-2021, 02:40 PM
Closed, Sticky: Machine doubling (aka mechanical or strike doubling) by jcuve Started by jcuve, 04-25-2021, 02:02 AM	6 responses 338 views 2 reactions	Last Post by jcuve 04-25-2021, 02:55 AM
Closed, Sticky: Other forms of doubling: by jcuve Started by jcuve, 04-25-2021, 02:38 AM	3 responses 209 views 1 reaction	Last Post by jcuve 04-25-2021, 02:54 AM
1944 P Lincoln Cent DDO “New??” by RGuined Started by RGuined, 06-17-2025, 11:09 PM	13 responses 112 views 0 reactions	Last Post by eaxtellcoin 06-19-2025, 05:29 PM
1963D 50C RPM by Shleppodella1 Started by Shleppodella1, 06-16-2025, 11:27 PM	2 responses 34 views 0 reactions	Last Post by MintErrors 06-17-2025, 02:00 AM
1916/5 Barber Quarter with an S mint mark by LoyVA2 Started by LoyVA2, 06-15-2025, 12:24 PM	5 responses 83 views 0 reactions	Last Post by MintErrors 06-16-2025, 09:36 AM
1935S WRPM-003 S/S West by Shleppodella1 Started by Shleppodella1, 06-04-2025, 12:59 AM	4 responses 78 views 0 reactions	Last Post by Shleppodella1 06-10-2025, 08:08 PM
1957(60) 5 Ptas reverse doubled die by Shleppodella1 Started by Shleppodella1, 06-01-2025, 11:55 PM	5 responses 50 views 0 reactions	Last Post by Shleppodella1 06-02-2025, 06:26 PM
1958D 25C RPM & reverse delamination by Shleppodella1 Started by Shleppodella1, 06-02-2025, 02:57 AM	2 responses 34 views 0 reactions	Last Post by MintErrors 06-02-2025, 09:32 AM
1964 P Washington Quarter DDR or Machine Doubling by Outsiders1975 Started by Outsiders1975, 05-28-2025, 11:16 PM	5 responses 66 views 0 reactions	Last Post by Outsiders1975 05-30-2025, 11:23 AM
1983D 5C DDR by Shleppodella1 Started by Shleppodella1, 05-30-2025, 06:08 AM	0 responses 31 views 0 reactions	Last Post by Shleppodella1 05-30-2025, 06:08 AM
2 possibly new varieties for the 1983 D Washington Quarter by Coinoisseur Started by Coinoisseur, 03-15-2023, 11:12 PM	16 responses 242 views 0 reactions	Last Post by Coinoisseur 05-23-2025, 04:22 PM
1968 S Proof Roosevelt dime DDO by Rene D Started by Rene D, 05-13-2025, 01:30 AM	16 responses 268 views 0 reactions	Last Post by MintErrors 05-23-2025, 03:22 PM

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