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<p>[QUOTE=&quot;spock1k, post: 412425, member: 7043&quot;]I am now dealing with coins that have verdigris on them (and its not cost effective to send them to NCS for the most part) I have heard of biox and baking soda and verdigone as the three methods that can be used to get rid of Verdigris.&nbsp; Which method is the best please list your past experiences and any new developments in this field.&nbsp; thanks.[/QUOTE]</p><p><br /></p>

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