Another Question About Cleaning Coins?

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Author	Replies: 4 / Views: 1,120
dbrablec Pillar of the Community United States 1944 Posts	Posted 07/22/2009 08:13 am the question I have is not about chemical cleaning, to alter the surface, or anything. all I want to do is safely remove the built up dirt and gunk. the photo is to illustrate my question. I found a decent RPM, but there is caked in crud, inside the mint mark, and inside the numbers, as well as in the tie area and the letters of the motto. all I want to accomplish, is to remove the crud. (its almost "shocking" what I see on coins under magnafication. compressed air? any suggestions? thanks. Report this Post to the Staff

KenKat Pillar of the Community United States 4085 Posts	Posted 07/22/2009 08:45 am Others with more experience with this technique should chime in, but I believe a soak in acetone (warning - highly flammible) followed by a rinse in distilled water will remove organics without affecting the metal of the coin in any way. Ken My 7070 US Type Set My 7100 Lincoln Cent Set (now with updates!) Report this Post to the Staff
BadThad Bedrock of the Community United States 19935 Posts	Posted 07/22/2009 10:39 am Leave it alone, that is so minor it won't matter to a collector whereas trying to conserve the coin may ruin it. Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
pls Rest in Peace United States 1729 Posts	Posted 07/22/2009 10:55 am I agree with BadThad - but when I acquire low-value coins that have accumulated gunk on them, some of which looks like old chewing gum, I use a toothpick to flick it off, and if I feel the need to use a little solvent, I dip the tip of the toothpick in Goo-Gone. The only problem I've noted is that sometime if the gunk has been on the coin for a long time the toning on the exposed areas will be darker than the covered areas. Anyone disagree with my methods and want to scold me? Go right ahead! Report this Post to the Staff
just carl Bedrock of the Community United States 20753 Posts	Posted 07/26/2009 12:56 pm Quote: I agree with BadThad - but when I acquire low-value coins that have accumulated gunk on them, some of which looks like old chewing gum, I use a toothpick to flick it off, and if I feel the need to use a little solvent, I dip the tip of the toothpick in Goo-Gone. The only problem I've noted is that sometime if the gunk has been on the coin for a long time the toning on the exposed areas will be darker than the covered areas. Anyone disagree with my methods and want to scold me? Go right ahead! Suggestion heard. What your suggesting may work for you but may not for others. Things like a toothpick could actually scratch a coin if not carefull. Substances like Goo-Gone may or may not work on all types of contaminates and may actually combine to form a worse material. Suggestions like yours may also lead some, not so experienced, to attept a harder than toothpick material and again, ruining a coin. As noted already for the average individual it is always best to simply say let well enough alone. Such minor problems and completely acceptable. Report this Post to the Staff
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