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<p>[QUOTE=&quot;robinjojo, post: 4493505, member: 110226&quot;]And the acetone could also remove any loose dirt or encrusted material adhering to the wax or resin.&nbsp; That could expose other subsurface conditions, such as pitting and corrosion. </p><p><br /></p><p>That happened when I removed the resin covering an Athenian tetradrachm, but only to a minor degree, and the underlying surface was smooth and a dark grey, fortunately.[/QUOTE]</p><p><br /></p>

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