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<p>[QUOTE=&quot;areich, post: 1517860, member: 37479&quot;]Not really.&nbsp; It starts with temperature, light and humidity control.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>Not by my standards.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>Air is a necessity for metal objects to be conserved.&nbsp; It is high humidity that kills the coins, and swords, and musical instruments, and medieval armors.&nbsp; Humidify should be maintained as much as possibly at about 24% - 27%.&nbsp; Above thirty percent, it increases and catalyzes volumetric reactions.&nbsp; This is especially true for silver, but also true for gold, brass, copper and steel.&nbsp; &nbsp; </p><p><br /></p><p><br /></p><p><br /></p><p>That is a common misunderstanding.&nbsp; Oxygen is certainly not required for oxidation.</p><p>&nbsp;</p><p><br /></p><p><br /></p><p>If you restrict the flow of air completely you will have unintended consequences, such as oxidation with wood, plastic, other metal, etc.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>For a common collector, they are better off protecting the coins in a wood box with Mylar, 100% proven and rated plastic flips and covered by the archival film that I pointed out before, in a controlled environment as much as reasonably possible.</p><p><br /></p><p><br /></p><p><br /></p><p>Ok</p><p><br /></p><p><a href="http://www.conservartassoc.com/faqs.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.conservartassoc.com/faqs.html" rel="nofollow">http://www.conservartassoc.com/faqs.html</a></p><p><br /></p><p><a href="http://www.nyu.edu/gsas/dept/fineart/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.nyu.edu/gsas/dept/fineart/" rel="nofollow">http://www.nyu.edu/gsas/dept/fineart/</a></p><p><a href="http://www.columbia.edu/cu/arthistory/graduate/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.columbia.edu/cu/arthistory/graduate/" rel="nofollow">http://www.columbia.edu/cu/arthistory/graduate/</a>[/QUOTE]</p><p><br /></p>

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