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<p>[QUOTE=&quot;rosethe, post: 5168678, member: 21556&quot;]I agree that the green stuff on the coppers is verdigris (I work with patinas in my profession) but the blue stuff on the silver coins looks an awful lot like copper sulfide. Anyone have a chemistry answer for that one?&nbsp; </p><p>I think of all the suggestions for all of them, e.g. acetone, boiling water, etc. This chemical one sounds the most promising for the coppers. </p><p>I am going to try the verdigris recipe (28 days) on some (not the 1914-D yet)</p><p>Thanks so much.[/QUOTE]</p><p><br /></p>

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