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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.

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit us our main site Here

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We thank everybody who has helped make CONECA the great success that it is today!

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  • Coins

    So is this normal that coins have different tones of color's
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    This gallery has 4 photos.

  • #2
    I'm no expert but I believe it is normal... based on the environment the coins are subjected to and also considering the composition of the metal


    • #3
      Very common. Environmental factors and storage contribute to the changes in color.
      Bob Piazza
      Lincoln Cent Attributer


      • #4
        Do people buy this kind of coins


        • #5
          Not usually. They can be very common and can be artificially made easily as well. As always, it is supply and demand. If you have something that someone likes or wants, and the price is good, then you may make a dollar or two. Some people like toned cents a lot.
          Bob Piazza
          Lincoln Cent Attributer