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<p>[QUOTE=&quot;GDJMSP, post: 1283514, member: 112&quot;]Absolutely ! It&#039;s got a bunch of stuff in it that is not acetone. You need to go the hardware store and get pure acetone.</p><p><br /></p><p><br /></p><p><br /></p><p>Olive oil is acidic, of that there is no doubt. It&#039;s main use by coin collectors has always been as a cleaning agent. There are many who still use it even today. </p><p><br /></p><p><br /></p><p>But various other oils have been used over the years by collectors to &quot;protect&quot; their coins. There are even commercial products that contain oils like Blue Ribbon and Coin Care and many collectors use these. So it could be almost any type of oil on the coins. Collectors are always coming up with &quot;home remedies&quot;.</p><p><br /></p><p>The one trait that all of these oil remedies have in common is that they make the coins look a darker brown. And the oils often fool even knowledgeable collectors into believing that a coin is a higher grade than it really is.[/QUOTE]</p><p><br /></p>

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