Black Stuff On Coin Where The 2x2 Was Ripped.

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Author	Replies: 7 / Views: 1,736
buddy16cat Pillar of the Community United States 1536 Posts	Posted 06/23/2014 2:47 pm I got this coin in a lot. There was a tear in the 2X2 which resulted in black stuff on the coin it appears. You think a soak in distilled water and acetone will take it off? If not, I would rather not go through it. I thought it was tarnish but appears though it could be gunk. Report this Post to the Staff

nalaberong Pillar of the Community Canada 2805 Posts	Posted 06/23/2014 3:01 pm Definitely tarnish. A store by me has some carelessly treated 2x2s and all the once-white silver coins inside have really ugly spots on them where the plastic ripped and the air came through. There is no helping it, sadly. Report this Post to the Staff
buddy16cat Pillar of the Community United States 1536 Posts	Posted 06/23/2014 3:06 pm Yes, it appears storage makes the difference. One of my Barber dimes was white face now it is turning rainbow. I think I should stick it in an airtight now to keep that. The 2x2 was old that this coin was in and had a big tear. Report this Post to the Staff
nalaberong Pillar of the Community Canada 2805 Posts	Posted 06/23/2014 3:13 pm Here's the effect of a 2x2 with one or two very small pinholes in the plastic on one of my silver coins: Report this Post to the Staff
bpoc1 Rest in Peace United States 4078 Posts	Posted 06/23/2014 3:31 pm Interesting. Are their smokers in the area of these coins? Not sure if tar is organic, if it is, acetone should clean these. IMHO Report this Post to the Staff
BadThad Bedrock of the Community United States 19945 Posts	Posted 06/25/2014 09:05 am It's silver sulfide toning, it can't be removed without using an acid-thiourea dip...which would probably ruin the coin permanently. Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
Chute72 Pillar of the Community United States 1314 Posts	Posted 06/25/2014 4:19 pm I live along the Wisconsin River. Many paper mills. They use chemicals, notably sulfur dioxide. Pierce a 2x2 and you will get a black spot. Especially on silver. For home containment, I use air tight ammo cans. Report this Post to the Staff
Franklin Collector Valued Member United States 113 Posts	Posted 06/28/2014 12:29 pm I have had that problem before with a Buffalo nickel. There was this yellow stuff on the coin. Good thing it was not worth much. Report this Post to the Staff
	Replies: 7 / Views: 1,736

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