Acetone Question - Coin Community Forum

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Author	Replies: 7 / Views: 1,911
Scooby Due Pillar of the Community United States 4000 Posts	Posted 03/23/2010 10:00 am Would soaking in acetone get rid of the green fingerprint residue? If so, how long would I soak it for? If not, would another method be better? Edited by Scooby Due 03/23/2010 10:00 am Report this Post to the Staff

BadThad Bedrock of the Community United States 19935 Posts	Posted 03/23/2010 10:10 am Try water first, then acetone and finally xylene. I seriously doubt you'll have an effect on the finger print though. A couple hours in each should do. Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
AMFCook Valued Member United States 312 Posts	Posted 03/23/2010 10:27 am Scooby, if this is for an album collection, I would try and get another 2006 coin. Not sure there is much that will remove the fingerprint from it. Report this Post to the Staff
Scooby Due Pillar of the Community United States 4000 Posts	Posted 03/23/2010 12:05 pm Thanks for the feedback. No, not for an album, pulled it from a roll last night and I think it's one of the minor DDO's. Report this Post to the Staff
SeatedNut Pillar of the Community United States 2797 Posts	Posted 03/23/2010 12:19 pm Ahhh fingerprints ... These are oils and other impurities. When fresh, they can be completely removed with the solvents mentioned here. Now the bad news ... they are slightly acidic and if left on the surface of the coin, will etch the outline of the fingerprint into the metal. Nothing short of a grinder will remove these etchings. The old fingerprints you see on coins are actually etchings. Report this Post to the Staff
Scooby Due Pillar of the Community United States 4000 Posts	Posted 03/23/2010 12:36 pm Quote: Nothing short of a grinder will remove these etchings. The old fingerprints you see on coins are actually etchings. That's a real shame. Report this Post to the Staff
Dollar1948 Pillar of the Community Canada 636 Posts	Posted 03/27/2010 7:25 pm Quote: Now the bad news ... they are slightly acidic and if left on the surface of the coin, will etch the outline of the fingerprint into the metal. Nothing short of a grinder will remove these etchings. The old fingerprints you see on coins are actually etchings. Yep I agree with this fella...been there,,,, done that. Report this Post to the Staff
Dhughesz28 Valued Member United States 105 Posts	Posted 04/21/2010 4:08 pm On a side note, anyone else notice that copper looks a little funny after an acetone bath? Report this Post to the Staff
	Replies: 7 / Views: 1,911

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