-
Re: Best way to remove verdigris on 90% silver coins?
Post a photo of a coin. Or else this is a meaningless hypothetical if it never happens. Verdigris does not develop on silver the same as copper. (View Post)3 -
Re: Best way to remove verdigris on 90% silver coins?
If you agitate the liquid or use a Q-tip, not very long at all, maybe a couple minutes. Acetone works fast, especially if you swirl the jar lightly in a circle, swirling the liquid over the coin'… (View Post)3 -
Re: Best way to remove verdigris on 90% silver coins?
Yes, the organic material will completely dissolve. I've treated very expensive coins. (View Post)1 -
Re: Best way to remove verdigris on 90% silver coins?
Yes, 100% acetone works no problem. I would use a Q-Tip to spot remove, or dunk the coin in a glass jar/bowl filled with acetone if there is greater surface area problems. There is very little risk i… (View Post)2 -
Re: Did you ever buy a coin that was graded but had to remove it due to PVC appearing later on?
Heard of it, never seen PVC grow over time with my own eyes. Cracking a coin to remove PVC would be the safest way to preserve the item in question. (View Post)1
