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: 313 Posts: 1,158 Last Post: 1909 VDB PROOF RIM THICKNESS?	313	1,158	1909 VDB PROOF RIM THICKNESS? by MintErrors 01-08-2026, 02:06 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 269 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 202 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 207 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 298 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 329 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 200 views 1 reaction	Last Post by jcuve 04-25-2021, 02:54 AM
1962-D penny DDO? by hungryeyes Started by hungryeyes, 09-11-2021, 08:34 PM	1 response 38 views 0 reactions	Last Post by mustbebob 09-12-2021, 12:52 PM
1952-D DDO? by hungryeyes Started by hungryeyes, 09-11-2021, 09:43 PM	2 responses 41 views 0 reactions	Last Post by mustbebob 09-12-2021, 12:32 PM
Possible 1961-D Quarter RPM? by TreasureTownYT Started by TreasureTownYT, 09-07-2021, 03:40 PM	3 responses 56 views 0 reactions	Last Post by TreasureTownYT 09-10-2021, 05:46 PM
2005-P California State 25C: Could this be a new variety? by KiloBay Started by KiloBay, 09-02-2021, 12:10 PM	2 responses 55 views 0 reactions	Last Post by KiloBay 09-08-2021, 09:10 PM
Feeder finger damage comparison (2020 Vs 2021) by Ronald Ozimek Started by Ronald Ozimek, 09-07-2021, 11:44 AM	1 response 81 views 0 reactions	Last Post by CoinHunter 09-08-2021, 02:15 PM
1963 ROOSEVELT DDR? by rbroederer Started by rbroederer, 07-23-2021, 08:39 PM	4 responses 75 views 0 reactions	Last Post by rbroederer 09-07-2021, 06:15 PM
1956 WASHINGTON QUARTER DDO-010? by rbroederer Started by rbroederer, 09-07-2021, 05:35 PM	0 responses 27 views 0 reactions	Last Post by rbroederer 09-07-2021, 05:35 PM
1962 D Cent class 8 doubling? by Coinaddict411 Started by Coinaddict411, 09-05-2021, 07:13 PM	3 responses 46 views 1 reaction	Last Post by Coinaddict411 09-06-2021, 03:32 PM
1993-P Washington Quarter DDO? by HeartWith02 Started by HeartWith02, 09-05-2021, 05:03 PM	2 responses 56 views 0 reactions	Last Post by HeartWith02 09-06-2021, 10:17 AM
2005 cent DDR by Coinaddict411 Started by Coinaddict411, 09-02-2021, 07:54 PM	3 responses 44 views 0 reactions	Last Post by mustbebob 09-04-2021, 02:54 PM

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