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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

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We thank everybody who has helped make CONECA the great success that it is today!

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Looking for sources of information

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  • cauvel
    • Jun 2021
    • 7
    #1

    Looking for sources of information

    As I am completely new to the hobby, I am looking for reliable sources of information on varieties and errors in print or online. I am aware of the Cherrypickers' Guide and Variety Vista. Are there others that you find useful or recommend to beginners? My first find is a 1952-D Lincoln cent with RPM, possibly 006 or 021. Unfortunately I don't know what the sub-classification numbering system is and would like to find more information. Thanks in advance for any guidance. 1952-D cent rpm.jpg
    Tags: None
  • Ray Parkhurst
    • Aug 2007
    • 192
    #2
    Originally posted by cauvel View Post
    As I am completely new to the hobby, I am looking for reliable sources of information on varieties and errors in print or online. I am aware of the Cherrypickers' Guide and Variety Vista. Are there others that you find useful or recommend to beginners? My first find is a 1952-D Lincoln cent with RPM, possibly 006 or 021. Unfortunately I don't know what the sub-classification numbering system is and would like to find more information. Thanks in advance for any guidance.
    There are two other popular sites that I use when doing attributions:

    Coppercoins...the advanced search page is what I usually use:
    Advanced search - coppercoins.com
    http://www.coppercoins.com/advsearch.php


    Wexler's Die Varieties
    Wexler's Coins and Die Varieties
    http://doubleddie.com/
    Die varieties such as doubled dies, Repunched mint marks (RPMs), Over Mint Marks (OMMs), Repunched Dates, Overdates, coin design varieties, as well as regular coins and error coins.

    Comment

    • jcuve
      Lead attributer
      • Apr 2008
      • 1497
      #3
      006 and 021 are possible. You need to look for die markers. Using coppercoins as Ray noted is also helpful.
      Jason Cuvelier

      CONECA
      Lead attributer

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