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Re: Patina question(s)

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  • Glenn Simonelli
    Sorry, I gave the wrong link for orichalcum provincial coin, Here s the correct link: http://mypage.iu.edu/~gsimonel/elagabalus.htm Glenn Simonelli
    Message 1 of 4 , Nov 1, 2006
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      Sorry, I gave the wrong link for orichalcum provincial coin, Here's
      the correct link:

      http://mypage.iu.edu/~gsimonel/elagabalus.htm

      Glenn Simonelli
      http://mypage.iu.edu/~gsimonel/roman1.htm

      --- In Uncleanedcoins@yahoogroups.com, "Glenn Simonelli"
      <gsimonel@...> wrote:
      >
      > Dennis,
      > Here are pictures of 5 diferent coins from my web site. This
      > first coin has a beautiful blue-green patina:
      >
      > http://mypage.iu.edu/~gsimonel/AnonymousA2.htm
      >
      > This next coin has a more common brownish-black patina. On this
      > coin the patina is rather thick and clearly obscuring some finer
      > details a little bit:
      >
      > http://mypage.iu.edu/~gsimonel/Diocletian.htm
      >
      > This next coin has had its patina removed somehow. Notice the
      > bronze color color and the slight porosity. This is typical of bronze
      > coins that have been cleaned down to bare metal:
      >
      > http://mypage.iu.edu/~gsimonel/claudius_prov.htm
      >
      > This coin is a provincial coin made of orichalcum, a brass-like
      > composite of copper and zinc. The porosity and the bright golden color
      > is the give-away that this coin has had most of its patina stripped
      away:
      >
      > http://mypage.iu.edu/~gsimonel/claudius_prov.htm
      >
      > Finally, here is a coin that has been just slightly overcleaned.
      > Most of the original patina is intact, but you can see where the
      > original metal is peaking through on the highest parts of the design:
      >
      > http://mypage.iu.edu/~gsimonel/ConstantiusII.htm
      >
      > I hope this is helpful to you.
      >
      > Glenn Simonelli
      > http://mypage.iu.edu/~gsimonel/roman1.htm
      >
      >
      > --- In Uncleanedcoins@yahoogroups.com, "Dennis P. Skea" <dpskea@>
      > wrote:
      > >
      > > To the list,
      > > I'm really new at this. I have several coins soaking in
      > > distilled water, and a couple each in other solutions (valve oil,
      > > olive oil, dish liquid) and I am working on 2 coins now.
      > > Is there any place that may have examples of patina, so I can
      > > figure out when I have reached it. I am resigned to the learning
      > > curve, and expect to ruin a couple (at least) in the beginning, but
      > > the line between crud/dirt and patina is one I really cannot recognize
      > > yet.
      > > I have noticed that the Albany (NY) coin club has a bi-weekly
      > > meet, and they note ancients as a specialty, so I'll probably drive up
      > > some weekend. Only 1 1/2 hrs away up the thruway.
      > > But before that, point me to any pictures you may know of on
      > the net.
      > > Thanks
      > > Codekeyguy
      > >
      >
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