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 319 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 253 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 223 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 314 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 342 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 213 views 1 reaction	Last Post by jcuve 04-25-2021, 01:54 AM
Neat 1950-S Lincoln Cent RPM by MintErrors Started by MintErrors, 03-01-2026, 01:08 PM	4 responses 51 views 0 reactions	Last Post by MintErrors 03-23-2026, 06:03 AM
Lincoln 1939S New DDO? by RGuined Started by RGuined, 03-22-2026, 11:50 PM	0 responses 12 views 0 reactions	Last Post by RGuined 03-22-2026, 11:50 PM
Lincoln 1948P New DDO? by RGuined Started by RGuined, 03-22-2026, 10:44 PM	0 responses 11 views 0 reactions	Last Post by RGuined 03-22-2026, 10:44 PM
1944 P rpm-027? by Ronald Ozimek Started by Ronald Ozimek, 03-04-2026, 07:29 AM	6 responses 68 views 0 reactions	Last Post by MintErrors 03-12-2026, 05:43 AM
1955 S. Dime RPM not listed by pennies4pennies Started by pennies4pennies, 03-09-2026, 05:31 PM	6 responses 79 views 0 reactions	Last Post by eaxtellcoin 03-11-2026, 08:13 PM
1881 3C nickel/ RPD ? /Strike through by pennies4pennies Started by pennies4pennies, 03-08-2026, 04:32 PM	5 responses 61 views 0 reactions	Last Post by MintErrors 03-09-2026, 02:44 AM
2024 D DDO & DDR Zitkala Sa Quarter: by PAIN805 Started by PAIN805, 03-04-2026, 11:17 AM	1 response 34 views 0 reactions	Last Post by PAIN805 03-04-2026, 11:19 AM
1944 p rpm-008 Jefferson? by Ronald Ozimek Started by Ronald Ozimek, 03-02-2026, 09:19 AM	3 responses 37 views 0 reactions	Last Post by Ronald Ozimek 03-03-2026, 08:30 PM
1944 P Jefferson RPM 018? by Ronald Ozimek Started by Ronald Ozimek, 03-02-2026, 10:11 AM	1 response 27 views 0 reactions	Last Post by eaxtellcoin 03-03-2026, 11:53 AM
1944 P Jefferson master die doubling VS the other doubling by Ronald Ozimek Started by Ronald Ozimek, 02-24-2026, 06:08 PM	5 responses 52 views 0 reactions	Last Post by eaxtellcoin 03-03-2026, 10:23 AM

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