PVC damage...It's killin' me....

I sent a 1950-S/D Wash. Quarter to ANACS some time ago. This bad boys at least 64 with a thumb on 65. There's was a small green spot on it when I submitted it; therefore, ANACS BB'ed it for PVC. Can anyone give me a suggestion on how to remove this green speck? I've heard of acetone being a safe agent for removal. How long should I soak? If this doesn't work, what other suggestions can you fine folks render? I'd appreciate your input because I want this baby in a PCGS slab.
Tom

Tom
What is money, in reality, but dirty pieces of paper and metal upon which privilege is stamped?
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<< <i>Allman........ you have stock in Koin-Solv ??? Acetone works just fine for PVC removal with no detectable evidence...... Soak it for a minute if you have to......... light use of a cotton swab dipped in acetone should handle the job quite nicely after that. >>
Ditto!
<< <i>Some acetone soaks take several hours or a day or two, depending on how much pvc there is..... >>
Usually, if the soak takes that long to remove the pvc, there will be some pitting where the pvc was!
Shot glasses are great.
The small size allow only the rim of the coin to rub the glass.
I still say ammonia does a good job too. I've successfully done that on nickel type with huge green spots and got them graded. There will probably always be a shadow but that's the best you can do.
Ammonia will lift off dirt and some toning as well. For white coins no problem.
roadrunner
Oh, this badboy's BLAST WHITE.
Tom
<< <i>Go to your local Home Depot and pick up a quart can of acetone. It's very pure and very cheap. Then place an ounce or two in a shot glass along with the coin. The PVC should come off in a few minutes, if not, use a Q-tip to help the process. >>
Be careful using the plastic swabs since acetone will disolve the plastic.
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"Paper money eventually returns to its intrinsic value---zero."----Voltaire
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<< <i>Too bad that ANACS dint offer to remove it for you for a small fee. There was probly no reason to get your coin back in a BB if they were sure it was PVC and they coulda fixed it. >>
Unlike the other major services, I don't believe ANACS will dip, clean or "curate" a submitted coin. They take the very sensible approach of not messing with someone elses property.
T1;
It's sooooo miniscule that it was never noticed by me.
Tom
After soaking in some acetone, I'm not actually sure what I'm looking for. It WAS that miniscule.
Tom
Tom