preserving with nail polish?

I just borrowed a 1995 Photograde from a friend and in the 'preserving coins section' it recommends coating your coins with clear nail polish for a form of protection. The book states it is harmless on the coin, and when it comes time to sell.... just use nail polish remover and rinse. Now I have read many a thread here on protecting and preserving coins, but never encountered this type of idea. Anyone have some wisdom with this one?
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Two problems. First it’s a negative when you go to sell the coin. The stuff can be removed with acetone, but it’s got to be done carefully.
Second, the coin has be BONE DRY when it’s lacquered. If it’s not moisture trapped against the coin can cause spots and corrosion, which defeats the reason for putting lacquer on the piece in the first place …
My advice - Ignore the advice.
It is pretty neat tho.
Jeff
or should I say I ACCUMULATE!
I also dabble with the darkside
Ive recently gotten more into currency, especially modern star notes
Impure acetone can discolor a coin all on its own.
COTC
I used acetone to remove red nail polish from a circulated Franklin half; the portion covered by the paint was in much better condition than the rest of the coin.
<< <i>I prefer the red nail polish.
AT!!!
The problem with polish is that you have no idea what the carrying agent being used is.
Some can be trapped on the coins surface.
Just my thoughts.