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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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Odd 1983 D Lincoln-obverse:hairline cracks,mound under D mm-reverse-long raised line

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  • Odd 1983 D Lincoln-obverse:hairline cracks,mound under D mm-reverse-long raised line

    Any opinions on this penny? The front has 3 hairline cracks that all meet around Lincoln’s face and the D mint mark has a circular raised mound underneath it. The back has a very large raised line from top to bottom going through the memorial. I couldn’t find anything about this one and am curious if it is anything special or not!
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