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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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2019 W 25c DDR!?!?

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  • Penny4URthoughts?
    • May 2022
    • 38
    #1

    2019 W 25c DDR!?!?

    Found this 25c river of no return that looks to have doubling on the reverse. Am I wrong? I can see split serifs on most of the lettering.
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  • mustbebob
    Moderator
    • Aug 2007
    • 3050
    #2
    This is 'Incused machine doubling'. Since the lettering is not raised on the coins, it does not follow the normal die doubling we are used to seeing.
    There is also many articles about this type of doubling on the internet. A search of 'Incuse Doubling' will help you locate these articles.


    Incused Machine Doubling
    https://www.error-ref.com/incused-machine-doubling/
    Bob Piazza
    Lincoln Cent Attributer

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