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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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1999P Jefferson doubling?

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  • #1

    1999P Jefferson doubling?

    Is this machine doubling? It only seem to be on the letter and date
    Thanks, Tery
    Attached Files
    Last edited by teryble; 05-06-2008, 04:38 PM. Reason: more pictures
    Tags: None
  • #2
    Hi Teryble - It is actually die deterioration doubling. The give away on this is the orange peel affect on the coin.

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

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    • #3
      Good Thing?

      Hi Wavy!
      I take it this is not a good or interesting anomaly? Would this be categorized as an error coin? If not .....what? I left ya a message at the other place
      Teryble

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      • #4
        Teryble - Orange peel affect occurs as the die ages, normally showing up when the die is LDS and as the die progresses to wards VLDS, the condition worsens. It is not classified as a variety or error since it is a natural function of the die aging (sort of similar to what a human goes through (LOL).

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

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        • #5
          Hi.
          I have a 1999P nickel the doubling look similar:
          Attached Files

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          • #6
            Hi Pennycat - That is machine doubling.

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

            Comment

            • #7
              Thank you! How about the mint mark 'P'?

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              • #8
                That also is part of the machine doubling. Since the MINT began putting the mint mark on the master die in 1990, it stopped the mistake of a RPM. There are, however, a few doubled mint marks that are part of the overall doubled die, most of which occurred on the 1995-D Lincoln cent.

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

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