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Replies: 22 / Views: 2,262 |
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Valued Member
United States
74 Posts |
I have a 1975 D High Mint Mark Jefferson nickel with a Cud on the obverse that looks like it has a hard glue like substance on the surface. I would like to remove it before sending the coin to be graded but I don't want to damage the coin since it looks like it's in fairly good condition. Any ideas on how to do it or should I just pay extra to have NGC conserve it? Thanks in advance.  
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Forum Dad
 United States
24147 Posts |
Pure acetone, but I'm not so sure that's even worth grading.
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Moderator
 United States
56855 Posts |
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Pillar of the Community
United States
3207 Posts |
are you sure that's glue on the obverse and not a Cud?
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Pillar of the Community
United States
3170 Posts |
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Moderator
 United States
56855 Posts |
At 9 o'clock is a Cud. The yellowish stuff is what the op wants to remove. John1 
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Valued Member
 United States
74 Posts |
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Valued Member
 United States
74 Posts |
Does anyone have experience using acetone on coins? Does it alter the surface of the coin?
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Forum Dad
 United States
24147 Posts |
I didn't realize that was going for so much.
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Bedrock of the Community
United States
62064 Posts |
Note on the reverse the area opposite the Cud on the rim is showing a slight weakness on the reverse. So it is a Cud, small but it is a Cud. (Not glue)
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Forum Dad
 United States
24147 Posts |
I think he's referring to the yellow crap which may be glue or maybe pvc.
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Pillar of the Community
 United States
6505 Posts |
Good long soak in acetone won't hurt.
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Bedrock of the Community
United States
19112 Posts |
Yes, long soak in 100% acetone is likely to remove the crud--no scrubbing, just a soak then rinse gently in distilled water.
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Pillar of the Community
United States
572 Posts |
Acetone is completely safe to use and will not affect the surface or toning of the nickel. I suggest soaking for 12 hours, checking for residue and if not completely satisfied, try another 12 hours.
You can also try Xylene (available in most hardware stores) as it sometimes gets better results and is equally safe to use. Xylene has a bit of a stronger odor that some people find offensive.
Nice find, btw. Pretty sure it's a match, as Tunnioc pointed out, to CU-5c-1975D-02.
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Moderator
 United States
94728 Posts |
Very nice Cud! Too bad about the glue residue, but it should be easily removed by a good Acetone bath overnight.
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Moderator
 United States
94728 Posts |
It is the combination of a Cud and high MM that is making this coin so valuable.
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Replies: 22 / Views: 2,262 |