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: 1,163 Last Post: 2025 D Cent DDR possibility	315	1,163	2025 D Cent DDR possibility by CoppergoldAZ 02-09-2026, 06:58 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 288 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 222 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 210 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 303 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 333 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 204 views 1 reaction	Last Post by jcuve 04-25-2021, 02:54 AM
2017 P Roosevelt Dime DDR? by Steve337 Started by Steve337, 02-06-2026, 01:49 PM	8 responses 57 views 0 reactions	Last Post by Steve337 02-09-2026, 06:01 PM
1943 D Jefferson WDDO-001 ? by Ronald Ozimek Started by Ronald Ozimek, 02-06-2026, 10:21 AM	4 responses 32 views 0 reactions	Last Post by eaxtellcoin 02-09-2026, 04:45 PM
1943 P RPM 30 nickel by Ronald Ozimek Started by Ronald Ozimek, 01-26-2026, 04:53 PM	5 responses 43 views 0 reactions	Last Post by eaxtellcoin 02-05-2026, 06:37 PM
Lincoln Cent 1997, Design or grease ? by ariel cabrera Started by ariel cabrera, 01-31-2026, 12:21 AM	5 responses 55 views 0 reactions	Last Post by Ronald Ozimek 02-05-2026, 11:55 AM
1943 P Variety Vists RPM# 47? by Ronald Ozimek Started by Ronald Ozimek, 01-27-2026, 12:08 PM	2 responses 25 views 0 reactions	Last Post by Ronald Ozimek 02-05-2026, 10:43 AM
1943 P RPM 52 nickel by Ronald Ozimek Started by Ronald Ozimek, 01-28-2026, 07:32 PM	5 responses 50 views 0 reactions	Last Post by MintErrors 02-05-2026, 10:08 AM
Lincoln Cents 1986,Damage at the Mint? by ariel cabrera Started by ariel cabrera, 02-04-2026, 10:14 PM	0 responses 13 views 0 reactions	Last Post by ariel cabrera 02-04-2026, 10:14 PM
2015-P penny DDO - new variety? by SouthernMetal Started by SouthernMetal, 02-01-2026, 10:09 PM	2 responses 57 views 0 reactions	Last Post by SouthernMetal 02-04-2026, 06:32 PM
1943 P DDO-023? by Ronald Ozimek Started by Ronald Ozimek, 01-22-2026, 01:22 PM	5 responses 71 views 0 reactions	Last Post by Ronald Ozimek 02-04-2026, 12:35 PM
New 1959 D Jefferson nickel D/D Variety or Mechanical Doubling? by homer6679 Started by homer6679, 11-06-2024, 11:52 PM	4 responses 76 views 0 reactions	Last Post by MintErrors 02-03-2026, 09:41 PM

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