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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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1971-s

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  • #1

    1971-s

    I finally got around to cracking open a couple rolls of uncirculated 1971-s cents I’ve had for years and both rolls are filled with machine doubled coins. I can’t remember exactly where I got them, or why I have them. Is it common to find examples of machine doubling for this date?
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  • #2
    Its common on any date

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    • #3
      Klocc is right, its common on about ant date and mintmark. Even if it wasn't it would not make the worthless doubling worth anything. It's basically damage and in a true collector's eyes its not collectible.
      Gary Kozera
      Website: https://MintErrors.org

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