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<p>[QUOTE=&quot;bhp3rd, post: 499410, member: 16510&quot;]<b>Sandblasting works well also.</b></p><p><br /></p><p>Come on folks you don&#039;t clean copper. Everybody knows (don&#039;t they) that you do not clean copper coins. Especially to revive red color or luster unless it on a coin your going to give to the pizza delivery man.</p><p>&nbsp;</p><p>There are however ways to improve SOME copper coins.</p><p>This is what I have found works.</p><p>&nbsp;</p><p>1. For a brown copper coin with crud in the devises you can soak in olive oil and use a GREEN rose thorn or very, very soft toothbrush and improve the aesthetics dramatically. I have had great success with this process (the reason for the GREEN thorn is it will bend and not easily cut through the brown patina).</p><p>2. A product called coin care does the same thing but does not have the acidity of olive oil. Best is olive oil followed by coin care to remove any excess olive oil.</p><p>3. Some folks use mineral oil but I do not. (no reason just have the others and they work fine).</p><p>4. The thing to avoid is never while remove dirt or oil from the coin use a harsh wiping or rubbing method - that will cut through the patina of the coins brown skin at times and show bright copper.</p><p>5. I never use soap or water, coin cleaning products, acid, abrasives or stiff brushes on my copper unless I want to ruin the coin or to see (on a invaluable wheat cent) at what point you can go and before it&#039;s to late.</p><p>6. On proofs, SMS, red BU coins with spots or cankers already on the copper coin it is of know use to try anything that I have ever found that will restore the surface to mint.</p><p>7. And yes, beautiful red copper coins can be ruined by an unclean finger, (oils) as well as a tiny droplet of spit years later if you are not very careful handling them when out of containers.</p><p>&nbsp;</p><p>I hope this is some use to you&#039;all - if anyone knows any other tricks please share them.</p><p>&nbsp;</p><p>Ben Peters</p><p>&quot;the older I get the smarter my father becomes&quot;</p><p>&nbsp;</p><p>Please only use this method on many common brown cents before you ever do on a semi-key or key!!!!!!!!!!![/QUOTE]</p><p><br /></p>

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