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: 304 Posts: 1,142 Last Post: Are all known doubled dies listed?	304	1,142	Are all known doubled dies listed? by Rich Menchio 01-31-2025, 11:25 PM

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 64 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 136 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 184 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 272 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 283 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 175 views 1 reaction	Last Post by jcuve 04-25-2021, 02:54 AM
Possible 1943 doubled "eye lid" by Mlarter Started by Mlarter, 05-22-2024, 04:22 PM	1 response 37 views 0 reactions	Last Post by PNWMAKES 05-24-2024, 10:51 AM
1990D Kennedy half dollar double die? by Mach254 Started by Mach254, 05-23-2024, 06:42 PM	5 responses 77 views 0 reactions	Last Post by MintErrors 05-24-2024, 06:01 AM
1969s proof-ddd and machine doubling? by Jnovak702 Started by Jnovak702, 05-17-2024, 12:47 AM	3 responses 68 views 0 reactions	Last Post by Jnovak702 05-17-2024, 09:15 AM
1990 D LINCOLN POSSIBLE DDO by dollykm12 Started by dollykm12, 05-16-2024, 11:37 AM	1 response 44 views 0 reactions	Last Post by MintErrors 05-16-2024, 12:10 PM
1943-S Possible DDO? by Guitars and Koinz Started by Guitars and Koinz, 05-14-2024, 12:43 PM	9 responses 89 views 0 reactions	Last Post by MintErrors 05-15-2024, 09:33 PM
1940 S JN Die crack by Aj2326 Started by Aj2326, 05-13-2024, 05:40 PM	1 response 29 views 0 reactions	Last Post by MintErrors 05-14-2024, 03:00 PM
1955 Franklin Half "Bugs Bunny", FS-50-1955-401 Obverse Die Clash? by rbroederer Started by rbroederer, 10-22-2022, 09:26 PM	6 responses 73 views 0 reactions	Last Post by Alex Marty 05-14-2024, 01:58 PM
1960-D Crazy doubling/mint marks/die chip by Guitars and Koinz Started by Guitars and Koinz, 05-13-2024, 11:42 AM	6 responses 54 views 0 reactions	Last Post by Guitars and Koinz 05-14-2024, 12:34 PM
1939 S Key date JN MM error? by Aj2326 Started by Aj2326, 05-13-2024, 05:43 PM	2 responses 43 views 0 reactions	Last Post by MintErrors 05-14-2024, 10:45 AM
Slight DDR on 1941 S JN? by Aj2326 Started by Aj2326, 05-13-2024, 05:38 PM	0 responses 17 views 0 reactions	Last Post by Aj2326 05-13-2024, 05:38 PM

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