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Message:: [QUOTE="GDJMSP, post: 25389396, member: 112"]Xylene isn't going to help. And if there was any PVC residue on the coin the acetone has already removed it. This is your before picture, look at the far left edge of the pic -  [ATTACH=full]1625868[/ATTACH] See the green, if that was PVC residue the acetone would have dissolved and removed it. This is your after picture of the same area, again look at the far left edge of the pic - [ATTACH=full]1625869[/ATTACH] The green is still there. That tells us that the green is not PVC residue. So neither acetone nor xylene nor toluene is going to have any effect on it. So even trying would be a waste of time. You could try if you want but I'd bet dollars to donuts it's not gonna work. There is more green elsewhere on the coin but not a whole lot. That area on the left is by far the worst. I believe the green is verdigris, and there's only one thing that I know of that will safely remove it - Verdi-Care. You can try using it yourself but before ya do I'd talk to Thad first if I were you and follow his instructions. I'd also like to ask you what your end goal is, do you want to have the coin slabbed ? If you do then I'd recommend not doing anything else and sending it in to either NGC or PCGS and pay them to clean it, and then slab it. Even if they can't get the verdigris off, they slab and cleanly grade coins with verdigris on them, and far worse than what yours has, all the time. edit - You should also know that you and simply leave the verdigris alone, if the coin is properly stored it's not going to hurt anything or get worse.[/QUOTE]

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