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Neutralizing surfaces before slabbing......
relicsncoins
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Do the grading companies, specifically PCGS do anything to neutralize the surfaces of a coin before slabbing the coin? You would think it would be in their best interest to do so, as there is no way to know how the coin was handled in the past. There could be a fresh finger print, or small drops of saliva from a conversation that took place over the coin. Once the coin is slabbed these nasties could turn into ugly spots or toning on the coin that could reflect negatively on the company. Personally, I always give my submissions a soak in acetone prior to sending the coins in, just in case.
JJ
JJ
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Comments
<< <i>very bad idea >>
Would you like to expand on that?
<< <i>I did suggest to PCGS that they should consider dipping ASEs that would get a 70 in order to prevent the appearance of milk spots post slabbing. >>
Will dipping ASE's actually prevent milk spots?
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
<< <i>
<< <i>I did suggest to PCGS that they should consider dipping ASEs that would get a 70 in order to prevent the appearance of milk spots post slabbing. >>
Will dipping ASE's actually prevent milk spots? >>
Yes it will if it is done BEFORE they become visible to the eye; or so I'm told. It has also been said here that coins that are predisosed to spotting can be identified by looking at them under a halogen flashlight and the spots if present will show then. I believe they can be dipped off with Ezest at this point. Once set enough to become visible, all bets are off.
<< <i>small drops of saliva from a conversation that took place over the coin >>
Well, I'd hope it wasn't a conservation on conversation, I mean a conversation on conservation.
<< <i>Maybe there should be a box to check on the submission form, on mine i would check "NO" for no touchy.
Sometimes I wish the surfaces were neatralized but most of the time - no.
<< <i>I've seen too many dipped coins that turn after slabbing. >>
This is usually a result of not proper rinsing.
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire