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<p>[QUOTE=&quot;Lembeck13, post: 4651047, member: 47036&quot;]By way of introduction, I am loath to cleaning coins. Still, there are many beauties in my collection that are simply crud-inflicted. Would subjecting them to a jewelry &quot;sonic bath&quot; possibly degrade them? I cannot see how such a spa treatment might degrade the integrity of the coin&#039;s surface - or am I being numismatically naive?[/QUOTE]</p><p><br /></p>

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