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<p>[QUOTE=&quot;Fugio1, post: 7939615, member: 89970&quot;]I am planning to use the process described by you ([USER=100731]@Roerbakmix[/USER]) in this post and several others.&nbsp; I was going to PM you but thought others might be interested in your response to my question.&nbsp; </p><p><br /></p><p>I&#039;ve acquired all of the materials you describe.&nbsp; I would like to clean an edge spot of horn silver on the reverse of this coin:&nbsp; As you can see it is a relatively high grade Roman denarius with otherwise lovely toning.&nbsp;&nbsp; I&#039;m nervous about whether soaking the coin in a sodium thiosulfate solution will impact or change the overall toning of the coin.&nbsp; If so, might I take a minimalist approach and apply sodium thiosulfate with a q-tip to the affected area, repeatedly combining with careful manual cleaning using &#039;Le Crayon a Andre&#039; tools?&nbsp; Any guidance would be appreciated.</p><p>[ATTACH=full]1373933[/ATTACH][/QUOTE]</p><p><br /></p>

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