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 Replies: 14 / Views: 1,816 |
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Valued Member
United States
70 Posts |
Need help trying to identify this contaminant. I've tried MS70 and soaking in olive oil, neither of which made any difference. Should I go with something stronger like Ezest? Do you think acetone would help? Should I just leave it as is? It's a 1928-p so I want to do right by this coin. Thanks.  |
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Valued Member
United States
469 Posts |
Acetone is your friend on this one. It will dissolve the glue and not effect the coin though it looks like it has been abrasively cleaned in the past.
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Bedrock of the Community
United States
12437 Posts |
 Soak it first in water to see if that loosens the glue. If that does not work, acetone should get rid of it. Quote:
It's a 1928-p so I want to do right by this coin. The condition of this coin concerns me, how sure are you that it is not a 1928-S with a removed mintmark that was then scrubbed to obscure evidence of tooling? |
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Valued Member
 United States
70 Posts |
Thanks, I'll try acetone. It definitely has heavy cleaning marks. The front is even more apparent. Biokem, I purchased this at a consignment auction, so I can't really be sure of anything. I kind of see what you might be looking at in the picture, but looking at the coin under magnification, the luster is very even in the area where a mint mark would be.
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Pillar of the Community
United States
2602 Posts |
Under the "O" in one, I think I see a faint "S" mint mark.
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Bedrock of the Community
United States
10982 Posts |
Quote:
Under the "O" in one, I think I see a faint "S" mint mark.
Or a "D"? to CCF my friend. Keep that coin away from E-Z-est. MS70 was too strong to use also but that's a lesson learned and the coin was probably harshly cleaned prior to you handling it. Acetone is your best bet and in the future - seek advice first - MS70 is a strong cleaner that should rarely be used. |
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Pillar of the Community
United States
2661 Posts |
Quote:
It's a 1928-p so I want to do right by this coin. I think doing right is not an option with this one. looks like someone has taken some 120 grit garnet paper to it already. |
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Bedrock of the Community
United States
12437 Posts |
Quote:
Or a "D"?
The OP would have a real find if it was a D  |
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Valued Member
United States
70 Posts |
Quote:
I think doing right is not an option with this one. looks like someone has taken some 120 grit garnet paper to it already. Well there's nothing I can do about that. My point was I want to clean it up without degrading it further. It's sitting in acetone now. I really dont think there's anything to the mint mark. I do see a mark that looks like a D shape, but as biochemist pointed out, there is no 28-d. I'll post some more pictures after I take it out of the acetone. |
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Valued Member
India
265 Posts |
just soak them in a mixture of olive oil and distilled water. keep if for 30 minutes. then use a mild detergent, brush the glue with a soft brush, or the glue does not go, then use a tooth pick to scratch the glue completely.
warm wishes.
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Moderator
 United States
23522 Posts |
The purported "D" mark doesn't matter anyways; that's not where the mint mark would be.
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Valued Member
United States
71 Posts |
I am confused about cleaning and what it does ... value vs. look ... any recommended reading ?
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Valued Member
United States
70 Posts |
Update: I left it in acetone for around 24 hours and most of the glue was dissolved, but not all of it. Should I put in back in for longer? Is there any time limit on how long to leave it in there? Thanks for the help.  |
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Bedrock of the Community
United States
10982 Posts |
Acetone will not hurt coins. Go a little longer.
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Bedrock of the Community
United States
20753 Posts |
Quote:
just soak them in a mixture of olive oil and distilled water. keep if for 30 minutes. then use a mild detergent, brush the glue with a soft brush, or the glue does not go, then use a tooth pick to scratch the glue completely.
warm wishes.
Must be kidding. I would suspect that even kids in 1st grade would know that Olive Oil and water don't mix. Of course you may be referring to those new distilled water Olive trees.  Mild detergent? Like LAVA soap for example?  Instead of a soft brush, wouldn't a brass wire wheel on a bench grinder work as well? And naturally one should only use a Silver Toothpick.  |
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Replies: 14 / Views: 1,816 |
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Posted 01/18/2011 2:54 pm
