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<p>[QUOTE=&quot;physics-fan3.14, post: 3261419, member: 19165&quot;]No, you won&#039;t. </p><p><br /></p><p>I&#039;ve done it on MS coins. </p><p><br /></p><p>I&#039;ve done it on Proof coins. </p><p><br /></p><p>I never saw hairlines. </p><p><br /></p><p>I even took one extremely common low-value proof coin and really, really pushed hard to see what happened. I had to *really* try to make hairlines, and I finally did. </p><p><br /></p><p>I grant that if you are actually pushing dirt around the coin, you will leave scratches - but that&#039;s not what acetone and qtips are supposed to be used for. </p><p><br /></p><p>I do encourage people to experiment on low value coins first to see just what effect it has for themselves. </p><p><br /></p><p>If you use the qtips gently, make sure they are cotton tipped with paper cores, and make sure they are wetted with acetone.... you won&#039;t leave hairlines.[/QUOTE]</p><p><br /></p>

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