Mint Error 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
Mint Error Image Gallery Photos shared by our members. Topics: 368 Posts: 1,199 Last Post: 1954 Dime with either PMD or possible gear strikethrough?	368	1,199	1954 Dime with either PMD or possible gear strikethrough? by MissChrissie 11-15-2025, 05:19 PM

Topics	Statistics	Last Post
Closed, Sticky: Mint ERROR by jcuve Started by jcuve, 04-25-2021, 04:23 PM	16 responses 593 views 1 reaction	Last Post by jcuve 04-25-2021, 04:54 PM
Closed, Sticky: Forum Protocols by jcuve Started by jcuve, 04-25-2021, 03:57 PM	0 responses 128 views 0 reactions	Last Post by jcuve 04-25-2021, 03:57 PM
Closed, Sticky: NO GRADING QUESTIONS by jcuve Started by jcuve, 03-14-2021, 07:01 PM	0 responses 133 views 0 reactions	Last Post by jcuve 03-14-2021, 07:01 PM
Redirect: 1983 Jefferson Nickel DDR? by Catherine56265 Started by Catherine56265, 10-04-2022, 01:55 PM	—	—
Chipped die or? by Ronald Started by Ronald, 10-01-2022, 04:32 PM	8 responses 94 views 0 reactions	Last Post by Ronald 10-04-2022, 11:01 AM
1983 D quarter PMD? by Catherine56265 Started by Catherine56265, 10-02-2022, 04:10 PM	2 responses 32 views 0 reactions	Last Post by MintErrors 10-03-2022, 11:45 PM
1984 D Washington quarter "struck through" ?? by Catherine56265 Started by Catherine56265, 10-02-2022, 05:54 PM	3 responses 46 views 0 reactions	Last Post by MintErrors 10-03-2022, 11:40 PM
1980 D nickel DDO/DDR or machine doubling by Catherine56265 Started by Catherine56265, 10-02-2022, 05:24 PM	2 responses 60 views 0 reactions	Last Post by Catherine56265 10-03-2022, 10:09 PM
1989S LINCOLN PENNY PROOF???? by rbroederer Started by rbroederer, 09-14-2022, 12:40 AM	3 responses 52 views 0 reactions	Last Post by rbroederer 10-03-2022, 10:03 PM
1999 P Jefferson Nickel DDO? by Catherine56265 Started by Catherine56265, 10-02-2022, 05:41 PM	2 responses 76 views 0 reactions	Last Post by PNWMAKES 10-03-2022, 12:09 AM
Blank planchet? by Catherine56265 Started by Catherine56265, 10-02-2022, 06:03 PM	2 responses 30 views 0 reactions	Last Post by Catherine56265 10-02-2022, 07:21 PM
1979 Jefferson nickel by Catherine56265 Started by Catherine56265, 10-02-2022, 06:45 PM	2 responses 24 views 0 reactions	Last Post by Catherine56265 10-02-2022, 07:09 PM
1978 dime by uruman Started by uruman, 10-02-2022, 12:03 AM	2 responses 55 views 0 reactions	Last Post by uruman 10-02-2022, 10:53 AM

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