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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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Proof 1945 5C?

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  • #1

    Proof 1945 5C?

    How in heck can a 1945 5 cent have DMPL? The surfaces of the portrait and, reverse, Monticello, are highly mirrored, even when worn...you can even see polishing lines....what gives?
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  • #2
    Any sufficiently fine grit will polish a coin to a mirror finish.
    Mike Diamond. Error coin writer and researcher.

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    • #3
      I wonder if keeping it in your pocket would cause that also.
      Most fools think they are only ignorant.
      -- Benjamin Franklin

      CONECA Member
      N-4556

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      • #4
        More than likely the coin has had metal polish applied to it. That is just a guess though.

        BJ Neff
        Member of: ANA, CCC, CONECA, Fly-in-club, FUN, NLG & T.E.V.E.C.

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