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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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Bicentennial half

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  • #1

    Bicentennial half

    I'm not making assumptions this time. I think I found something. It looks very neet. hope you all enjoy. Thanks for anyone helping me out.
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  • #2
    Interesting. First thing I would suggest is that you soak this in some pure acetone, and see if it can be moved or removed. It may be some glue or other adhesive. Maybe even melted plastic from a flip?
    Bob Piazza
    Lincoln Cent Attributer
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    • #3
      Ok this is exciting got back from the hardware store. this is first time iv cleaned a coin. Is there a limit to how long the coin should be subjected to the acetone to prevent damage? In case this is in fact a error.
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      • #4
        Well I'm starting to get discouraged. Like its really cool the acetone worked really really well. But I keep getting confuzed by grime... or what ever it was. All thats left is a little mark but hard for me to argue its true mint error vs post mint. Embarrassing. But thanks for the acetone tip. Now I know to just clean them to make sure. May just keep this one as a memory coin to keep acetone on hand haha. I really hope you guys don't get annoyed. I'm really trying but book knolage is not the same as experace. Its like knowing the terms, then looking and then your eyes make it seem like what the books say. If this a class I'd be flunking at this point haha.
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        • #5
          Don't get discouraged. A lot of this stuff you figure out over time. Don't be embarrassed either. I have almost 55 years of experience, and chances are I have run into this sort of stuff before. Definitely keep the acetone on hand. It does not damage coins, but keep the soaking to a minimum. There are also some things that the acetone will not remove or soften.
          This is a good example of why we are here as we figured it out with very little cost. Had you sent this to a third party grading service, you would have just wasted your time and money. Keep searching and keep learning!
          Bob Piazza
          Lincoln Cent Attributer
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