1864-S seated quarter

almost 2 days

 

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Ok. The acetone would have removed anything organic on the coin. At this point you have done no harm to the coin. It's time to leave it as is. Anything you do is going to harm the value.

 

ok great to know, thanks for the help. might have soaked it again, now i know not to.

 

The acetone will not hurt the coin if you did give it a few more baths but after 2 days with no change, it's not going to help. I'm taking for granted you did not allow the acetone to dry up in the dish on top of the coin. That would have left all the stuff the acetone lifted, still on the surface of the coin.

 

I believe that's considered "dipping"...yes, there have been cases where it has dramatically increased a coin's value...but I'm not sure if it's 100% guaranteed safe.

Plus, if you try to get it graded and ANACS, PCGS, or NGC notice the dipping, it won't get graded.

 

no we made sure that it always was covered with acetone.

 

Actually acetone is not a dip. It's not an acid and will not harm silver.

There are several products out there that are called a dip. They are an acid and will kill the value of coins if you do not know what you are doing.

 

oh, i thought that acetone was an acid? well i guess i learn things every day.