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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.

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!

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Directory Topics Posts Last Post
Education
Helpful information on Errors and Varieties will be posted here.
Topics: 13 Posts: 62
13 62
Jamez
by Jamez
Sub-Forums::
 
CONECA Announcements
Updates on club activities.
Topics: 65 Posts: 160
65 160
 
Topics: 737 Posts: 2,433
Last Post: Hello from, Chad
737 2,433
MintErrors
 
General Forum
Discussion and analysis of all types of non-standard coinage.
Topics: 2,178 Posts: 8,185
2,178 8,185
 
Die Variety Forum
Discussion and analysis of die varieties
Topics: 3,417 Posts: 15,115
3,417 15,115
Sub-Forums::
 
Mint Error Forum
Discussion and analysis of planchet and striking errors.
Topics: 3,267 Posts: 13,256
Last Post: PC-5C-NC1883-06R
3,267 13,256
Shleppodella1
Sub-Forums::
 
Topics: 205 Posts: 699
205 699
 
Topics: 64 Posts: 251
64 251
 
Topics: 16 Posts: 16
16 16
Peter
by Peter
 

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There are currently 291 users online. 2 members and 289 guests.

Most users ever online was 13,229 at 03:13 PM on 04-16-2025.

CONECA Error-Variety Coin Forum Statistics

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Topics: 11,889   Posts: 45,703   Members: 3,323   Active Members: 67
Welcome to our newest member, VerdugoSB805.

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  • Shleppodella1
    PC-5C-NC1883-06R
    by Shleppodella1
    This no cent "V" Liberty nickel has a rim to rim die crack running thru STATES. Now 06R is the closest I could find.
    Is there another...
    You do not have permission to view this gallery.
    This gallery has 3 photos.
    07-02-2025, 04:48 PM
  • Shleppodella1
    PCGS economy error grading tier
    by Shleppodella1
    PCGS has a tier now of a $300 value cap which 95% of errors fall into for $35 fee on grading errors they're comparable to ANACS now. So the collector...
    07-02-2025, 04:13 PM
  • Shleppodella1
    1944 "BIE"
    by Shleppodella1
    Would this qualify as a II-F-4 "BIE" and the date looks suspiciously doubled in the 9.
    You do not have permission to view this gallery.
    This gallery has 4 photos.
    07-01-2025, 06:20 PM
  • Jonns
    Damage or error on 1939 s penny
    by Jonns
    I was wondering if this was caused by gas bubbles that ruptured or some type of damage?...
    07-01-2025, 09:46 PM
  • Shleppodella1
    1973 San Francisco mint medal
    by Shleppodella1
    Here is a 1973 San Francisco mint bronze medal commerating the mint. It has several die clashes and die chips. Now some of the chips might be design flaws...
    You do not have permission to view this gallery.
    This gallery has 5 photos.
    06-28-2025, 02:47 PM

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