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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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2 Quarters 2016 / 2002

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  • 2 Quarters 2016 / 2002

    A little help? I was told by a local coin shop owner that they were struck through grease. I wasn't entirely convinced.
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    This gallery has 6 photos.

  • #2
    Looks like corrosion/environmental damage to me.

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    • #3
      Originally posted by sumdunce View Post
      Looks like corrosion/environmental damage to me.
      That was my thought also. I've heard about people putting them in a dryer on high heat. They seem like that to me.

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      • #4
        The 2002 quarter was probably dipped in acid.

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        • #5
          It doesn't look like a dryer job. I agree that it looks like environmental damage.

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          • #6
            I agree, this looks more like post mint damage rather than something the mint participated in.

            Dryer coins if they get hot enough and bounce around enough can produce a high rim. I can imagine the reeded edge would be damaged pretty significantly as well.To me, this does not look like a dryer coin.

            Acid coin could be a possibility, but it may not have been on long enough to create those classic ravines and low spots on the rim where fluid falls off. It looks very pitted, dull usual a good indication of environmental damage...

            But, in the end whatever it is, it isn't too good. Again, to me It seems more PMD.
            Gary Kozera
            Website: https://MintErrors.org

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