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<p>[QUOTE="Boss, post: 538882, member: 15110"]Welcome Tom,</p><p>My opinion is in the minority but I do not like junk on my coins. That being said, I hurt the value of my 1909 S VDB EF 40 $1200-1400 coin and devalued it notedly by jumping in with limited knowledge- see my post title "my whacked 1909 S VDB and dellars darkener". Also do a search on the word "cleaning". I personally use mineral oil and a fresh rose thorns to remove gunk. Hard encrusted areas get tx with a product called "Verdigone"- Bad Thad sells here but I would only use on a coin worth a least $20 bucks or more- too expensive to use on low value coins. 90% of the people out there will tell you to properly store coins in Mylar flips or airtite brand holders (depending on value of coins) and do nothing more. Pure acetone will remove PVC but I doubt you could differentiate that based on your post- it's hard for me to tell. But acetone for a brief dip won't hurt coins. Grime won't hurt your coins either, but verdigris will and they aren't the same. You could look up "rose thorn" as well. I have posted extensively on this subject myself, but I am a novice compared to others here. If you try this method try on poor to fine low value common wheat cents or even Lincoln memorials. You will scratch coins with this, I assure you, so make sure they are not worth more than pocket change. It drives me insane that I over acetoned (in a foolish attempt to remove verdigris -acetone won't remove) my S VDB and tried to fix with Dellar's Darkener. The darkener clumped up and the sulfur in it had seperated from the petroleum and spotted the coin dark colors. My only hope at this point is NCS- whom I don't even trust, but have nothing to lose now. Good luck and let us know what you decide and how it turned out.</p><p> </p><p>PS- definitely don't use lighter fluid. Not something anyone uses to my knowledge.[/QUOTE]</p><p><br /></p>
[QUOTE="Boss, post: 538882, member: 15110"]Welcome Tom, My opinion is in the minority but I do not like junk on my coins. That being said, I hurt the value of my 1909 S VDB EF 40 $1200-1400 coin and devalued it notedly by jumping in with limited knowledge- see my post title "my whacked 1909 S VDB and dellars darkener". Also do a search on the word "cleaning". I personally use mineral oil and a fresh rose thorns to remove gunk. Hard encrusted areas get tx with a product called "Verdigone"- Bad Thad sells here but I would only use on a coin worth a least $20 bucks or more- too expensive to use on low value coins. 90% of the people out there will tell you to properly store coins in Mylar flips or airtite brand holders (depending on value of coins) and do nothing more. Pure acetone will remove PVC but I doubt you could differentiate that based on your post- it's hard for me to tell. But acetone for a brief dip won't hurt coins. Grime won't hurt your coins either, but verdigris will and they aren't the same. You could look up "rose thorn" as well. I have posted extensively on this subject myself, but I am a novice compared to others here. If you try this method try on poor to fine low value common wheat cents or even Lincoln memorials. You will scratch coins with this, I assure you, so make sure they are not worth more than pocket change. It drives me insane that I over acetoned (in a foolish attempt to remove verdigris -acetone won't remove) my S VDB and tried to fix with Dellar's Darkener. The darkener clumped up and the sulfur in it had seperated from the petroleum and spotted the coin dark colors. My only hope at this point is NCS- whom I don't even trust, but have nothing to lose now. Good luck and let us know what you decide and how it turned out. PS- definitely don't use lighter fluid. Not something anyone uses to my knowledge.[/QUOTE]
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