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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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1990 penny no mint mark?

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  • #1

    1990 penny no mint mark?

    1990 lincoln Penny. Is this a Philadelphia mint
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  • #2
    Correct all the Lincoln Cents without mintmarks were struck in the Philadelphia mint except the 2017. All the 2017 cents struck in the Philadelphia mint have a P mintmark. The addition of the P Mint mark was part of the U.S. Mint’s 225th anniversary year celebrating the contributions to the nation’s coinage history by each production facility.
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    • #3
      Thank you. I love to learn. I'm a need to know why of things.

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      • #4
        Check out the VarietyVista.com website for a lot of information on all the CONECA type coins that are listed.
        Gary Kozera
        Website: https://MintErrors.org

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