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 Replies: 9 / Views: 1,115 |
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Pillar of the Community
United States
1388 Posts |
I recently acquired an old Whitman folder for the Franklin half dollar. When I got it home from the garage sale, I discovered that there were two 1962 half dollars on the last page. They were not glued in, but both had old glue residue on both the reverse and obverse. How can I get it off without damaging the coins? |
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Pillar of the Community
United States
4897 Posts |
acetone....however, there may be toning issues.....
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Pillar of the Community
United States
4691 Posts |
Acetone is your best bet. Acetone will not affect luster. You could also try good old soap and water.
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Pillar of the Community
United States
898 Posts |
Acetone is definitely your best bet. Make sure it's 100%
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Pillar of the Community
United States
624 Posts |
I suggest WD-40. Acetone can be tricky. There is zero chance of messing up with WD-40 and it gets glue residue off metal effortlessly.
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Moderator
 United States
188183 Posts |
I would use acetone before WD-40.
Actually, I would never use WD-40 on a coin.
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Bedrock of the Community
United States
17884 Posts |
Quote:
There is zero chance of messing up with WD-40 and it gets glue residue off metal effortlessly And leaves a residue of its own, which can then be removed with acetone. So why bother with the WD-40? Just use the acetone. |
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Rest in Peace
United States
4078 Posts |
Quote:
Just use the acetone.  |
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Rest in Peace
United States
10625 Posts |
I agree with what amida17 posted. Pure acetone should remove the glue and probably leave you with a blotchy appearance.
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Pillar of the Community
 United States
4590 Posts |
Two sets of problems here
/1/ What specifically is the 'glue'. Different glues are soluble in different solvents and some solvents are safe for coins and others aren't. So the recommendation to start with pure water and the acetone are the two safest solvents known. Past that, you start taking on risks...
/2/ Once the 'glue' is removed, will there be differential aging (toning) of the coin revealed. If the 'glue' was there 50 years while the coin took on (say) a slight golden tone, the spots you've uncovered will now give the coin a blotchy appearance.
This is one of the many reasons people recommend shying away from cleaning coins. You never really know what you will find.
-----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ |
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Replies: 9 / Views: 1,115 |
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Posted 07/26/2014 2:31 pm
