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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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1960-D RD 1C RIDB same die?

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  • Shleppodella1
    • May 2024
    • 933

    1960-D RD 1C RIDB same die?

    I found these 2 very minor errors roll surfing and each was in a seperate roll. IMO these are 98% identical on the reverse right side of Memorial were the raised die crack is going from column 12 to rim @ 4 o'clock. Question is....
    Could these be struck by the same failing working die during it's run in Denver?

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  • MintErrors
    Minterrors.org
    • Jun 2015
    • 3553

    #2
    Shleppodella1
    In my opinion, the US mints can operate between 9 to 15 minting presses at the same time. More if the operational tone merits it.
    Each working die can produce close to 1 million Lincoln cents before being retired.
    Sure, its absolutely possible for other rolls to contain coins that were struck from the same working dies.

    But remember, each working die is its own entity. Some single working dies can be changed out if there was a problem.So some coins can have a worn working obverse die and a newly inserted reverse working die.
    Gary Kozera
    Website: https://MintErrors.org

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