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<p>[QUOTE=&quot;TheCrownCollector, post: 25391310, member: 160023&quot;]Thanks for that GD - much appreciated. </p><p><br /></p><p><br /></p><p><br /></p><p>I never do; I don&#039;t even handle them with my hands aside from holding them on the edges. I just wanted to see the nature of the &quot;green&quot; as I was very surprised when the acetone did nothing. I wanted to see how easy it was for it to come off. I generally buy high end/well preserved coins so never really came across this level of accumulation before. I guess my initial assumption of the green being PVC was ill formulated. What you say with respect to verdigris certainly makes sense.</p><p><br /></p><p>The more I contemplate what&#039;s been said here the more I&#039;m inclined to explore verdicare. But before I even broach that path, I have MUCH research and learning to do on the stuff. If you or someone could point me to a good thread that outlines proper verdicare procedures on silver (if there is such a thing), i would greatly appreciate it.</p><p><br /></p><p>Also - is Thad around? - I would love for him to chime in here.</p><p><br /></p><p><br /></p><p><br /></p><p>Robin - thank you very much for taking the time to share with me your immensely helpful insight. </p><p><br /></p><p>To answer the above two questions - no, I didn&#039;t use distilled water (I generally don&#039;t as i don&#039;t see the point or have I&#039;ve never had the need - I much prefer acetone) and no I&#039;m not at all concerned about the black line running on the devices but rather the &quot;green&quot;.</p><p><br /></p><p>I&#039;ve never heard of <b>sodium thiosulphate </b>but will gladly read about it. I highly doubt I&#039;ll use the stuff but for the sake of &quot;science&quot; and sheer curiosity, i might buy a &quot;clunker&quot; coin and try it out.[/QUOTE]</p><p><br /></p>

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