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<p>[QUOTE=&quot;Just Carl, post: 108213, member: 4552&quot;]Didn&#039;t mean to start a controversary about contamination on coins. Glad I did though because I just learned there is a River with a strange name like that. Also, not to contradict a dictionary, but I just go by about 30 to 40 Chem books sitting here in my library. Went back and checked with Webster&#039;s and and old Funk &amp; Wagnall&#039;s and all agree that Verdigris is an Acetate. </p><p>However, since this is a coin forum, not a chem class, I&#039;ll agree with whatever. The main thing to know is that a coin beginning to form greenish corrosion should be stopped as soon as possible. This is normally from the air. Also, remember removing such contamination will also remove metal that has been chemically changed. Best to just stop the corrosion regardless of what you want to call it and/or leave the coin alone.[/QUOTE]</p><p><br /></p>

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