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: 309 Posts: 1,146 Last Post: 1950S mistaken as D, d/d/s/s	309	1,146	1950S mistaken as D, d/d/s/s by ryanrich 08-08-2025, 07:40 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 195 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 165 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 196 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 286 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 305 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 185 views 1 reaction	Last Post by jcuve 04-25-2021, 01:54 AM
1959-D Lincon Wexler DDO-007 by Stachowski Started by Stachowski, 12-26-2016, 07:51 AM	0 responses 477 views 0 reactions	Last Post by Stachowski 12-26-2016, 07:51 AM
1944-D Jefferson Nickel DDO-001 & RPM-008 by Stachowski Started by Stachowski, 11-29-2016, 10:51 AM	0 responses 466 views 0 reactions	Last Post by Stachowski 11-29-2016, 10:51 AM
1952-D Lincoln Cent CONECA: RPM-015 by MintErrors Started by MintErrors, 10-11-2016, 11:32 PM	0 responses 1,037 views 0 reactions	Last Post by MintErrors 10-11-2016, 11:32 PM
1957 Proof Washington Quarter DDO/DDR ? by Paddy54 Started by Paddy54, 10-08-2016, 11:28 PM	1 response 969 views 0 reactions	Last Post by Paddy54 10-09-2016, 07:49 AM
1988 Lincoln Cent with reverse of 1989 found by MintErrors Started by MintErrors, 09-30-2016, 07:24 PM	1 response 1,172 views 0 reactions	Last Post by Merlin8971 10-04-2016, 03:30 PM
Nice Rotated RPM's by MintErrors Started by MintErrors, 10-02-2016, 11:34 PM	0 responses 683 views 0 reactions	Last Post by MintErrors 10-02-2016, 11:34 PM
1953-D RPM-10 or a 1953 D/D/S ? by MintErrors Started by MintErrors, 09-30-2016, 10:08 PM	0 responses 820 views 0 reactions	Last Post by MintErrors 09-30-2016, 10:08 PM
1942 Waking Liberty Coneca DDO-001 by Stachowski Started by Stachowski, 09-26-2016, 04:41 PM	0 responses 604 views 0 reactions	Last Post by Stachowski 09-26-2016, 04:41 PM
1971 Lincoln Cent Coneca DDO-001 by Stachowski Started by Stachowski, 09-23-2016, 07:41 PM	2 responses 1,027 views 0 reactions	Last Post by Stachowski 09-26-2016, 01:19 AM
1998 Kennedy Proof DDO ? Looks are deceiving ! by MintErrors Started by MintErrors, 09-20-2016, 11:32 AM	2 responses 1,210 views 0 reactions	Last Post by MintErrors 09-20-2016, 06:04 PM

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