Message:

<p>[QUOTE=&quot;physics-fan3.14, post: 2031822, member: 19165&quot;]I don&#039;t see anything on that coin that would indicate acetone will help. Acetone removes organic contaminants - PVC, tobacco smoke, etc. The dark areas of your coin are just natural color - the light areas are harshly cleaned with hairlines. No amount of messing with it further is going to improve that.[/QUOTE]</p><p><br /></p>

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