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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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1963D DDO

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  • JoeBlack88
    • Jan 2026
    • 5

    1963D DDO

    Hello all, my name is Joe Black. Would like to share a picture of my 1963D. Would this be considered a DDO or D/D
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    This gallery has 1 photos.
  • MintErrors
    Minterrors.org
    • Jun 2015
    • 4229

    #2
    In my opinion, we would need a better photo of the date and full mint mark to determine if its a RPM.

    If you want, you can research the possibilities over at:

    Http://varietyvista.com

    Its important to scrutinize the position of the mint mark. Every working die had its mint mark hammered into the die by hand, so the position of mint marks can vary a bit.

    As for doubled die listings, its vital to read the description to find out where the doubling was documented.

    I also have some helpful posts in my signature block below. Including one about taking photos with a cell phone.


    My signature block :

    Three helpful posts:
    How to take better photos with a Cellphone:
    https://board.conecaonline.org/forum...th-a-cellphone

    RPM or DDO question? Help us help YOU:
    https://board.conecaonline.org/forum...lp-us-help-you

    What Forum to post your coin questions:
    https://board.conecaonline.org/forum...t-forum-to-use

    Gary Kozera
    Website: https://MintErrors.org

    Comment

    • Centwise
      • Apr 2026
      • 35

      #3
      If you are referring to the 6 then that appears to be die deterioration and the 9 looks like PSD. Cannot see bottom half of mintmark so cannot make a determination on the RPM.

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