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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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1990 d quarter DDO?

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  • 1990 d quarter DDO?

    Do you think this is a double die or just mechanical doubling?
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  • #2
    none are listed on V V - http://varietyvista.com/09b%20WQ%20V...20Listings.htm - http://doubleddie.com/721634.html

    imo, based on the condition of the coin and the low quality of image (not terrible tho) i cannot say for certain but it looks like there is some MD and probably circulation wear.
    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 - varietyvista.com

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    • #3
      I'm sorry about the image, but I tried to take a better picture
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      • #4
        Originally posted by BoB's coins View Post
        I'm sorry about the image, but I tried to take a better picture
        appreciate the close-up.

        the "doubling" is sporadic and inconsistent and doesn't look like normal doubling and since there are very few known to none in the decade surrounding this coin, imma gunna saya aa noa.

        from my experience, coins with this much contact/damage are rarely listed even if they are a new variety. every now n then one may get listed but it is very rare. i've had a handful turned down for such issues as well as other people i know.
        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 - varietyvista.com

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        • #5
          I agree, with a highly worn coin it's very difficult to assess whether it's a doubled die or simply wear and machine doubling.
          Gary Kozera
          Website: https://MintErrors.org

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          • #6
            Thank you, I appreciate it.

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