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Replies: 17 / Views: 2,938 |
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New Member
United States
38 Posts |
Can someone recommend the best way to remove sticky tape residue, I got sent a coin (Gold Eagle) and they wrapped it mostly in tape!!!! (can you believe it) so I managed to carefully remove the tape but there is some residue left over...
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Pillar of the Community
Belgium
2078 Posts |
Most barbarians sent me a coin with their very identifiable fingerprint on it My friend got a taped one like you Put it in a glass of pure acetone for half an hour get rid of the acetone in the glass and poor new acetone at least a second time and maybe a third time When finished the coin will dry without any (old) deposit showing on the coin Warning try good ventilation , do not smoke during the process Try not to breathe the stuff ( It is about as dangerous as bad aftershaving lotion lol 
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Pillar of the Community
Belgium
2078 Posts |
Oh and please do not wipe or rub or contaminate it with paper kitchen towel touching ( paper particles will show under magnification ) I just take the risk and plunge in my hand take it by the rims and move it trough the air vigourously You can also use cheap surgeon handgloves Do not let go of the coin like my friend did because then it will sail throughout the whole bathroom or whatever room you are using and this can be hazardous to the health of the coin 
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Pillar of the Community
United States
7123 Posts |
P.S.
Dont forget to send a nasty email to the wrapper of this coin !!!
Rick
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Valued Member
United States
440 Posts |
I agree..Acetone and air dry. do not wipe with anything. you can also use a quick blow dry using the 'cool' setting. no heat.
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Valued Member
United States
458 Posts |
None of that will fix the problem--Especially if the coin was in a US mail truck in Florida hots sun before being delivered say by 3 pm on a hot july-august day--I used everything on a 1923 (I think it was 1923 could be a 1922) peace dollar--I even tried wd40, olive oil, also this other crap called koinsolve--Yea I got the tape, glue and all the crap off--but unfortuantely the damage was already done to the coin--The chemicals from the tape sorta "embedded" itself if u will into the silver--now--alas--the only thing that might remove this "flaw" is whizzing--GRRRR--  PS if it is attempted before it really sets in then u might have a chance--BUT, any thing you do to the coin will have been "tampered" with--no legitimate coin grader will encapsualte it since it has been aaahhh "cleaned" or "whizzed"--fair warning my friend-- 
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Pillar of the Community
Belgium
2078 Posts |
Did I miss something ? The question referred to a gold eagle which I presumed was a 10 dollar gold coin Nothing short of phosporic acid or real aqua regea will do anything even to a 900/1000 gold coin as far as I know
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New Member
 United States
38 Posts |
I have dunked it 3 times now in fresh acetone but there still remains a small strip on the left hand side, should I just keep dunking or is there something else I can try... Thanks
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Valued Member
United States
72 Posts |
Don't know if it will help but a friend uses some stuff called Goo B Gone. Don't know much about it but you can get it at a general store. He said that it will remove the sticky goo from the tape. Not sure how it will effect the finish though.
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Forum Kid
Kuwait
1523 Posts |
Goo be gone is used to remove stick residue of walls and carpets and cupboards but not sure if it'll work on coins, be carefull it might be acidic. GOD!! Sticky tape on a beatiful Gold Eagle!
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Pillar of the Community
Belgium
2078 Posts |
quote: Originally posted by smcc3573
I have dunked it 3 times now in fresh acetone but there still remains a small strip on the left hand side, should I just keep dunking or is there something else I can try... Thanks
If you put it in a closed container so that it does not evaporate you can leave it in the acetone mixture for 24 hrs at a time I once was forced to do three 24 hrs spells on a coin that had been brutally squeezed whilst in a pvc flip and part of the flip was litterally smeared on the surface of the coin If all else fails you could risk moving your your finger over it whilst submerged in acetone with as little pressure as possible best hand in a surgical glove ( allthough I do not follow my own advise at all times ŕ
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Valued Member
United States
363 Posts |
Now, did the seller of this coin stipulate that any coin removed from its original holder (ie. sticky gooey cruddy tape LOL) would not be returnable? If so, that won't be an option. But, all seriousness aside, as ageka says, the gold is probably inert enough to withstand lots of soaking without damage. Look at all those gold coins that spent decades or centuries in seawater!
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Pillar of the Community
Belgium
2078 Posts |
I have a gold coin 9999 purity with several red spots This has been reported on a german forum as silver contamination from a run of blanks in silver before the run of blanks in gold and occured in Austia on blanks destinated for germany The 100 euro coins are being replaced by the mint from a reserve ? because they have numbered certificates Mine howerver is coined in germany for the nights of malta and irriplaceble So I allready tried methanol, ethanol, isopropanol, acetone, toluene, methyl ethyl ketone, white spirit, methylene cloride , cellulose thinner in short any solvent known to mankind The 9999 gold and the red spots did not pale a shade
Since a univirsity determined the problem is silvercloride I should find the guts to dunk it in silver dip which is sulfuric acid and ureum However since it is a proof coin I hesitate
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Valued Member
United States
363 Posts |
This is easy for me to say since I'm not in your shoes, but I think I would be inclined to leave the red spots alone. It almost seems like somewhat of an interesting phenomenon, but, what if the thin flakes of silver were impressed into the surface of the pure gold when struck and if dissolved, left a slight vacancy/depression in the surface? I remember almost nothing from college chemistry, but I thought silver chloride was whitish or grayish. Reddish spots on gold I always thought were from a concentration of the copper in the 90% gold alloy. But I don't know much about this and your coin is .9999 pure....
In fact, I've said too much already! Just the musings of someone who is up past his bedtime!
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Pillar of the Community
Belgium
2078 Posts |
Silverchloride is greyish but a monolayer on gold will look red is what the university says Your thinkings is my thinking if I remove the layer I will damage the proof look of the gold
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Moderator
 United States
23522 Posts |
quote: Originally posted by CiScO
None of that will fix the problem--Especially if the coin was in a US mail truck in Florida hots sun before being delivered say by 3 pm on a hot july-august day--I used everything on a 1923 (I think it was 1923 could be a 1922) peace dollar--I even tried wd40, olive oil, also this other crap called koinsolve--Yea I got the tape, glue and all the crap off--but unfortuantely the damage was already done to the coin--The chemicals from the tape sorta "embedded" itself if u will into the silver--now--alas--the only thing that might remove this "flaw" is whizzing--GRRRR-- PS if it is attempted before it really sets in then u might have a chance--BUT, any thing you do to the coin will have been "tampered" with--no legitimate coin grader will encapsualte it since it has been aaahhh "cleaned" or "whizzed"--fair warning my friend--
Cisco Sorry your coin was "ruined" since I am in Fla as well, I'll give you a dollar (banknote) for it and give it another home here in the sunshine state. we could meet at La Carettas for the swap I'd even buy the Cuban coffee. (only kidding)
rggoodie aka Richard "catch em doing something right"
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Replies: 17 / Views: 2,938 |