So I bought this silver dollar last year at a coin show here in central Florida. I received it in a plastic holder and have noticed that this funny gook has appeared along with a small black spot. What exactly could this be and should I use something to attempt to remove it? I've done nothing thus far until I get some suggestions hopefully by someone who may have experience in this area. Thad, would you make a recommendation??
Thanks
-Chris
Thanks
-Chris



Rollem
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