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Tough call.
I think I'd look at any spot where it comes off, if the surface is messed up or the toning comes off with it then I'd get brutal. Flame it with a butane torch and see if it burns off. Then scrub it brutally and try to retone it.
If it still has toning where it flakes then I'd be gentle but I'm not sure that there is a gentle way to get it off.
In any case, you're probably mostly trying to uncover the hidden details. It's already a problem coin probably from the rim dent alone.
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I wonder if an ultrasonic cleaner would help?
Someone here has had some success with using one on occasion.
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That is a tough one Frank... Looks almost like a pine resin??? Coin is not to bad for 212 years old... Like you said there are some details under the coating... There is some pitting in the exposed areas... Have you tried acetone at all??? What would the value be if all the gunk was removed??? If it could be fairly high then maybe have a TPG do the restoration and conservation???
Jim
(A.K.A. Elmer Fudd) Be verwy verwy quiet... I'm hunting coins!!! Good Hunting!!!
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Originally Posted by
jfines69
That is a tough one Frank... Looks almost like a pine resin???
That's EXACTLY what my thinking was too. Something someone long ago put over it to preserve it in some way. I remember hearing of how people also used lacquer to coat coins back in the day...but I'm 99.9% sure this isn't that. I have tried acetone, for a short period of time. FAR too nervous about submersing for anything over a few hours!
There IS mad detail under it...in hand it's especially obvious. Thanks all for your...dare I say it...2¢
"And he will tell you, skill is late — A Mightier than He —
Has ministered before Him — There's no Vitality."
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Originally Posted by
Frank
That's EXACTLY what my thinking was too. Something someone long ago put over it to preserve it in some way. I remember hearing of how people also used lacquer to coat coins back in the day...but I'm 99.9% sure this isn't that. I have tried acetone, for a short period of time. FAR too nervous about submersing for anything over a few hours!
There IS mad detail under it...in hand it's especially obvious. Thanks all for your...dare I say it...2¢
I can see there is detail there by the areas showing thru... If it were lacquer the acetone would have taken off quickly... Another reason I am thinking pine resin is when the resin ages, especially old time resins, they are near impossible to remove from anything... You could try gasoline on a qtip just don't try that in the house The gasoline can dissolve some of the older resins!!!
Jim
(A.K.A. Elmer Fudd) Be verwy verwy quiet... I'm hunting coins!!! Good Hunting!!!
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Originally Posted by
jfines69
You could try gasoline on a qtip just don't try that in the house
The gasoline can dissolve some of the older resins!!!
Good call. I also saw an article where something along the lines of WD-40 might do the trick too.
"And he will tell you, skill is late — A Mightier than He —
Has ministered before Him — There's no Vitality."
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I hope you find a way to clean it up! It would be cool to see how nice it looks underneath.
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Originally Posted by
Frank
Good call. I also saw an article where something along the lines of WD-40 might do the trick too.
WD-40 could help... Any thing you try is going to take a while... That stuff looks like it has been on the coin since 1810
Jim
(A.K.A. Elmer Fudd) Be verwy verwy quiet... I'm hunting coins!!! Good Hunting!!!
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