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<p>[QUOTE=&quot;dougsmit, post: 2186082, member: 19463&quot;]This is not an easy one.&nbsp; The standard soak in commercial or home brew BD remover (Sodium sesquicarbonate) will remove the green but the green is what is supporting the silver.&nbsp; Depending how deep the BD has gone into the copper you might end up with a hollow shell.&nbsp; This will be interesting but fragile.&nbsp; You might get lucky and find solid green under the powder as on the one below but you still will have breakable edges. </p><p><br /></p><p><img src="http://www.forumancientcoins.com/dougsmith/4jdedge.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p>[ATTACH=full]423987[/ATTACH][/QUOTE]</p><p><br /></p>

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