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, 07:17 AM

Topics	Statistics	Last Post
Sticky: RPM or DDO question ? HELP US help you. by MintErrors Started by MintErrors, 01-28-2025, 04:39 AM	0 responses 339 views 3 reactions	Last Post by MintErrors 01-28-2025, 04:39 AM
Sticky: 1883 Liberty RPD by sumdunce Started by sumdunce, 02-12-2022, 08:56 AM	13 responses 261 views 1 reaction	Last Post by MintErrors 12-13-2024, 01:14 PM
Closed, Sticky: Forum Protocols by jcuve Started by jcuve, 04-25-2021, 02:57 PM	0 responses 231 views 3 reactions	Last Post by jcuve 04-25-2021, 02:57 PM
Closed, Sticky: RPMs by jcuve Started by jcuve, 04-25-2021, 01:26 PM	4 responses 320 views 2 reactions	Last Post by jcuve 04-25-2021, 01:40 PM
Closed, Sticky: Machine doubling (aka mechanical or strike doubling) by jcuve Started by jcuve, 04-25-2021, 01:02 AM	6 responses 343 views 2 reactions	Last Post by jcuve 04-25-2021, 01:55 AM
Closed, Sticky: Other forms of doubling: by jcuve Started by jcuve, 04-25-2021, 01:38 AM	3 responses 218 views 1 reaction	Last Post by jcuve 04-25-2021, 01:54 AM
1901-S Half Eagle: Some Kind of Hub Issue? by No_Ragrets Started by No_Ragrets, 04-21-2026, 09:42 AM	0 responses 4 views 0 reactions	Last Post by No_Ragrets 04-21-2026, 09:42 AM
2016 P - Harper's Ferry Quarter Incuse Doubling Question - Reverse by Parth Started by Parth, 04-21-2026, 09:21 AM	0 responses 3 views 0 reactions	Last Post by Parth 04-21-2026, 09:21 AM
1984-P Roosevelt Dime — Possible DDO and DDR — Unlisted? by Parth Started by Parth, 04-21-2026, 08:00 AM	0 responses 3 views 0 reactions	Last Post by Parth 04-21-2026, 08:00 AM
1995 D Washington Quarter by Benanderson Started by Benanderson, 04-16-2026, 11:21 AM	4 responses 40 views 0 reactions	Last Post by MintErrors 04-21-2026, 06:33 AM
2000 D Roosevelt Dime; DDR: by PAIN805 Started by PAIN805, 04-16-2026, 10:26 AM	2 responses 35 views 0 reactions	Last Post by PAIN805 04-17-2026, 12:03 AM
2021P feeder finger rev. may be abraision doubling by signofthedimes Started by signofthedimes, 04-11-2026, 10:59 AM	1 response 16 views 0 reactions	Last Post by eaxtellcoin 04-15-2026, 06:40 PM
1934 D Washington quarter D/D by Steve337 Started by Steve337, 04-09-2026, 06:00 PM	14 responses 112 views 0 reactions	Last Post by Steve337 04-15-2026, 12:04 PM
1976-D Kennedy half dollar ddr? by PadresFan23 Started by PadresFan23, 04-12-2026, 10:41 PM	1 response 30 views 0 reactions	Last Post by MintErrors 04-13-2026, 02:35 PM
Redirect: 1917 P Buffalo with some very nice OBV die scratches. by Off Center Started by Off Center, 04-11-2026, 11:06 PM	—	—
Unlisted die state 1964 P 1DO-014 (LDS unlisted) by CoppergoldAZ Started by CoppergoldAZ, 04-10-2026, 09:27 PM	0 responses 17 views 0 reactions	Last Post by CoppergoldAZ 04-10-2026, 09:27 PM

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