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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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198? /1 cent. Strukthrough grease?

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  • #1

    198? /1 cent. Strukthrough grease?

    Im too new to speculate much on this one. Either pmd or something else. Strukthrough cloth?
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    Last edited by 279773; 04-27-2023, 06:18 PM.
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    • 1 like
  • #2
    In my opinion, this looks like post mint damage. IF this coin was a zinc coin, it could have easily been face down in the ground for a period of time. It's too flat to be a greaser, as the are usually blotchy and some features of the coin are sharp. This coin, it's flat like in appearance, almost looks like environmental damage, or, some one used a sander on it.
    Gary Kozera
    Website: https://MintErrors.org
    • 2 likes

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    • #3
      I agree with the sander or ground down with a wet stone.

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