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<p>[QUOTE=&quot;satootoko, post: 170075, member: 669&quot;]I generally rinse a coin in three successive bowls of fresh deionized or distilled water, and I&#039;ve never had any residue problem.</p><p><br /></p><p>Acetone is an organic solvent which will remove fresh skin oil that hasn&#039;t actually eaten into the metal, so it is useless against old fingerprints.&nbsp; Any organic component of the crud on an old coin will be dealt with by acetone, but non-organic residues will not be affected.</p><p><br /></p><p>For that same reason acetone will remove PVC residue, but won&#039;t erase any of the damage caused by leaving PVC residue on the coin for an extended period.</p><p><br /></p><p>The potential for unwanted residues is exactly why you should never use fingernail polich remover, or any other mixture of acetone and somehting else.[/QUOTE]</p><p><br /></p>

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