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Underwater coins Caesarea: Preservation?
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<p>[QUOTE="Cherd, post: 8121911, member: 24754"]I'm no chemist, but so far as how well coins are preserved in saltwater, I'd say that it depends on the metal. More precisely, how susceptible the metal is to oxidation. Gold is probably preserved just fine, but then again, gold is well preserved under just about any conditions. Silver would be affected more severely than gold, but copper/bronze would be the worst. Another consideration would be whether the coins were accessible to encrustations. I think those guys can build up difficult to remove solids in even the smallest void spaces if given enough time. Again, all speculation on my part.</p><p><br /></p><p>I wouldn't advocate for this to happen, as it is something that more properly belongs in a museum, but it sure would be interesting to see what that ring would bring at auction! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie47" alt=":greedy:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="Cherd, post: 8121911, member: 24754"]I'm no chemist, but so far as how well coins are preserved in saltwater, I'd say that it depends on the metal. More precisely, how susceptible the metal is to oxidation. Gold is probably preserved just fine, but then again, gold is well preserved under just about any conditions. Silver would be affected more severely than gold, but copper/bronze would be the worst. Another consideration would be whether the coins were accessible to encrustations. I think those guys can build up difficult to remove solids in even the smallest void spaces if given enough time. Again, all speculation on my part. I wouldn't advocate for this to happen, as it is something that more properly belongs in a museum, but it sure would be interesting to see what that ring would bring at auction! :greedy:[/QUOTE]
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