I bought Xylene last night. I soaked the coin in Xylene for an hour and the black mark remains there. I will leave the coin in this state.
Based on some of your replies, is this coin likely get graded as an error coin by PCGS, NGC or ANACS?
So is this a mint error? No black lines on the back
If I already soaked the coin in Acetone for 20 min and it did nothing, will it make a difference if I soak it for longer time? Say 2 hours? Or...
Hi, I'm new to this forum. I bought a $5 liberty gold coin that has what appeared to be ink on the coin. Is there any safe way to remove it? I...
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