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<p>[QUOTE=&quot;Clawcoins, post: 3081555, member: 77814&quot;]It may.&nbsp;&nbsp; I&#039;m no expert like we have on this board.</p><p><br /></p><p>In the past when I&#039;ve polished stuff it was steel, aluminum, brass/copper, nickel, silver, gold, etc but mostly jewelry / watches / musical instruments.&nbsp; But the more expensive the object and softer the metal, the lighter the method of buffing (from machine to hand) &amp; lighter buffing compound was used/done; and the more meticulous one works.</p><p><br /></p><p>Also over time those methods would change/improve; for example: adding hydrosonic cleanings, etc. to remove debris without harming the surface that any method of polishing could cause if debris was even &quot;brushed&quot; off. </p><p><br /></p><p>Coins and the &quot;cleaning&quot; methods are fascinating by comparison as no harm can be done to the surface.&nbsp; </p><p><br /></p><p>I&#039;ve learned a lot from ppl on this board though but I&#039;m very careful in which coins I may &quot;clean&quot; and I fiddle with example coins to clean from time to time to gain more insight/experience.&nbsp; But I do it so infrequently I have to remember what I forgot.[/QUOTE]</p><p><br /></p>

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