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 308 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 239 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 340 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
Neat 1950-S Lincoln Cent RPM by MintErrors Started by MintErrors, 03-01-2026, 02:08 PM	0 responses 5 views 0 reactions	Last Post by MintErrors 03-01-2026, 02:08 PM
1944 P Jefferson master die doubling VS the other doubling by Ronald Ozimek Started by Ronald Ozimek, 02-24-2026, 07:08 PM	4 responses 26 views 0 reactions	Last Post by MintErrors 02-25-2026, 03:14 AM
Some omitted 1964 Proof 1c WDDO captures. by signofthedimes Started by signofthedimes, 02-24-2026, 11:14 PM	0 responses 11 views 0 reactions	Last Post by signofthedimes 02-24-2026, 11:14 PM
A nice scarce 2018P 10c obverse die clash by signofthedimes Started by signofthedimes, 02-24-2026, 11:01 PM	0 responses 7 views 0 reactions	Last Post by signofthedimes 02-24-2026, 11:01 PM
Eleanor Roosevelt 25c REV by signofthedimes Started by signofthedimes, 02-24-2026, 10:56 PM	0 responses 6 views 0 reactions	Last Post by signofthedimes 02-24-2026, 10:56 PM
...best doubled die from my 350 piece 1964 1c proof cello purchase by signofthedimes Started by signofthedimes, 02-04-2026, 02:49 AM	4 responses 70 views 0 reactions	Last Post by signofthedimes 02-24-2026, 10:46 PM
1943 S Jefferson DDO-006? by Ronald Ozimek Started by Ronald Ozimek, 02-15-2026, 09:29 PM	2 responses 42 views 0 reactions	Last Post by eaxtellcoin 02-22-2026, 11:50 AM
1964 Nickel D/S/D? by DCoop1968 Started by DCoop1968, 02-16-2026, 05:48 PM	4 responses 53 views 0 reactions	Last Post by eaxtellcoin 02-21-2026, 03:07 PM
Let's talk a bit about RPM's by MintErrors Started by MintErrors, 02-17-2026, 01:10 PM	1 response 37 views 0 reactions	Last Post by Ronald Ozimek 02-17-2026, 09:30 PM
2017 P Roosevelt Dime DDR? by Steve337 Started by Steve337, 02-06-2026, 01:49 PM	8 responses 84 views 0 reactions	Last Post by Steve337 02-09-2026, 06:01 PM

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