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<p>[QUOTE=&quot;Oldhoopster, post: 2746538, member: 84179&quot;]I&#039;m guessing it the water would get into any looser areas around the verdigris and through expansion and contraction, loosen it further.&nbsp; It won&#039;t do anything to remove toning.</p><p><br /></p><p>I would not use this technique on ancients since there can be lots of planchet flaws and the possibility of crystallized silver, but other than that, I guess it can&#039;t hurt.&nbsp; I just wouldn&#039;t expect much from it[/QUOTE]</p><p><br /></p>

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