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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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2021-D Jefferson Nickel DDO?

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  • Pennyman44
    • Oct 2022
    • 61
    #1

    2021-D Jefferson Nickel DDO?

    I believe the devices on this Jefferson Nickel has the presence of hub doubling.
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  • occnumis2021
    NumisScholar
    • May 2021
    • 1422
    #2
    as with the cent, i don't see anything.

    are you thinking the legend has extra thickness in the letters?
    coinfacts.com - conecaonline.info - board.conecaonline.org/forum/numismatic-site-links - briansvarietycoins.com - coppercoins.com - cuds-on-coins.com - doubleddie.com - error-ref.com - franklinlover.yolasite.com - ikegroup.info -lincolncentresource.com - maddieclashes.com - money.org - ngccoin.com/price-guide/world - ngccoin.com/census - ngccoin.com/resources/counterfeit-detection - nnp.wustl.edu - pcgs.com/pop - pcgs.com/coinfacts - pcgs.com/photograde - varietyvista.com - vamworld.com

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    • Dutch-Tigger
      • Jan 2023
      • 257
      #3
      Agree, same as penny, MD
      MD_decreases_widths.png

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