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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.

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Die Variety Forum

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Discussion and analysis of die varieties

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Die Variety Image Gallery
Photos taken by our members.
Topics: 315 Posts: 1,168
Last Post: Lincoln Cent 2022 D, VDB DDO.
315 1,168
Trenton110
Lincoln Cent 2022 D, VDB DDO.
by Trenton110
02-16-2026, 07:17 AM
 
 
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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
327 views
3 reactions
 Last Post MintErrors
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
256 views
1 reaction
 Last Post MintErrors
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
225 views
3 reactions
 Last Post jcuve
by jcuve
04-25-2021, 02:57 PM  
Closed, Sticky: RPMs by jcuve
Started by jcuve, 04-25-2021, 01:26 PM
4 responses
314 views
2 reactions
 Last Post jcuve
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
342 views
2 reactions
 Last Post jcuve
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
213 views
1 reaction
 Last Post jcuve
by jcuve
04-25-2021, 01:54 AM  
Kennedy 1971-D DDO identification help by hogleg71
Started by hogleg71, 06-06-2011, 03:13 PM
7 responses
3,586 views
0 reactions
 Last Post Guest
by Guest
06-10-2011, 05:02 PM  
2005P OIV 5cents possible doubled die!! by coin-crazy
Started by coin-crazy, 06-10-2011, 01:00 AM
2 responses
1,353 views
0 reactions
 Last Post coin-crazy
by coin-crazy
06-10-2011, 04:50 PM  
71S Kennedy Half Dollar RPM? by atrox001
Started by atrox001, 03-21-2011, 06:28 PM
14 responses
4,904 views
0 reactions
 Last Post atrox001
by atrox001
06-10-2011, 12:49 PM  
2006P Cent New Multi directional trail die. by coin-crazy
Started by coin-crazy, 06-08-2011, 03:45 PM
1 response
1,353 views
0 reactions
 Last Post wavysteps
by wavysteps
06-09-2011, 08:06 AM  
1967 Canada cent possible ddo ??? by coin-crazy
Started by coin-crazy, 06-04-2011, 07:45 PM
2 responses
1,657 views
0 reactions
 Last Post coin-crazy
by coin-crazy
06-05-2011, 04:15 PM  
2011-Ulysses.S.Grant dollar traildie Obverse by coin-crazy
Started by coin-crazy, 05-17-2011, 07:55 PM
2 responses
1,951 views
0 reactions
 Last Post coin-crazy
by coin-crazy
06-04-2011, 07:39 PM  
1999 SBA Reverses by junglistOn1
Started by junglistOn1, 05-27-2011, 11:26 AM
3 responses
2,339 views
0 reactions
 Last Post junglistOn1
by junglistOn1
05-29-2011, 01:27 AM  
2006 DDO ?? If so Which One by engine823
Started by engine823, 05-28-2011, 03:42 PM
2 responses
1,450 views
0 reactions
 Last Post engine823
by engine823
05-28-2011, 06:31 PM  
1964 DDD New RPM or MD? by uss656
Started by uss656, 03-27-2011, 04:57 PM
11 responses
3,901 views
0 reactions
 Last Post protrack
by protrack
05-22-2011, 05:06 PM  
1942-D Lincoln Cent DDO by Ray Parkhurst
Started by Ray Parkhurst, 05-16-2011, 01:54 AM
10 responses
4,527 views
0 reactions
 Last Post Ray Parkhurst
by Ray Parkhurst
05-21-2011, 10:01 PM  
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