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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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2008D Roosevelt Dime OVERSE/REVERSE Doublings?

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  • 2008D Roosevelt Dime OVERSE/REVERSE Doublings?

    Hello ALL again!

    Both sides have strong extra thickness, spreads and separation lines.
    Hope this is genuine.

    Thank you.
    NVTE1
    Attached Files

  • #2
    It's either die deterioration doubling, machine doubling, or a combination of the two.
    Mike Diamond. Error coin writer and researcher.

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    • #3
      Thanks again, Mike, for clarifying.
      NVTEs

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