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14557Re: Interesting piece of embedded metal

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  • Rich Schemmer
    Sep 1, 2006
      This link to one I have on a 1911-D in MS 64
      Price reflects the Rarity of the Date & the Very high Grade


      Rich Schemmer
      Rich Schemmer Error Coins
      --- In errorcoininformationexchange@yahoogroups.com, "Mike Diamond"
      <mdia1@...> wrote:
      > I'm curious, have any of you encountered a copper-alloy cent with a
      > strip of white metal embedded in the surface which was intrinsic to
      > the planchet?
      > On page 246 of the 5th edition of Minting Varieties and Errors,
      > Herbert presents a picture of a 1944-D cent with a number of white
      > metal inclusions. Some of the pieces are elongated while others
      > subcircular. A group of three inclusions line up pretty nicely,
      > although I don't know if the transect parallels the grain of the
      > coin. While Herbert says the inclusions look like aluminum, I see
      > reason to believe him. It's possible it belongs in the same
      > as my recently purchased 1948 cent.
      > --- In errorcoininformationexchange@yahoogroups.com, "Mike Diamond"
      > <mdia1@> wrote:
      > >
      > > Of the two (tin and zinc), I see tin as much more likely. If it
      > was
      > > zinc it would have oxidized a long time ago to a darker matte
      > gray.
      > > Instead, this strip is smooth and shows some luster.
      > >
      > > The more I study it, the more I lean to an extreme case of
      > > alloy mix. But I can't know for sure without a chemical analysis.
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