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Message:: [QUOTE="Just Carl, post: 267233, member: 4552"]Now this is something I always normally tell people never to do. BUT at a coin show today I purchased a 1995 Lincoln Cent Double Die for a really rediculous amount. Only a few dollars. The reason was the coin had finger prints on the left and right side of the obverse. Other than that it was at least MS65. Reverse was as perfect as could be. So I said to myself, SELF, nothing to loose so I dipped it in Acetone, allowed to soak a while, removed it, rinsed with distilled waterand the finger prints were still there. Next I tried carefully washing with lens cleaner and an artist brush. Still finger prints. Next it was in Tarn-X Jewelry Cleaner for a while, rinsed with distilled water, still finger prints. Finally placed in something called Connoisseurs jewelry cleaner from Walmart. Allowed to soak for a few minutes, removed, rinsed with distilled water and POOF, no more finger prints. Coin now looks like MS66, does not appear cleaned. So I said to myself, try it on an older coin. Took a 1915D Lincoln Cent in about EF condition. Did the same as with the 95 DD. End results were a horribly odd toned in blue cent. Can't win them all. One more reason not to clean coins.[/QUOTE]