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What Causes Staining On A Uncirculated Coin?

 
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United States
31 Posts
 Posted 12/07/2019  12:08 pm Show Profile   Bookmark this topic Add catskillcoin to your friends list Get a Link to this Message
going through a box of Uncirculated 2019 Wilderness quarters and have found a couple like the example below. What causes this staining? cleaning solution the mint uses? Just cuious
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 Posted 12/07/2019  3:41 pm  Show Profile   Bookmark this reply Add USSID18 to your friends list Get a Link to this Reply
Coffee. See if it comes off with some acetone.
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12374 Posts
 Posted 12/07/2019  9:37 pm  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply
Looks like something ( foreign substance ) was place on this coin . Go ahead and use the Acetone wash .If it doesn't work , I'm afraid it's a permanent stain .
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 Posted 12/07/2019  10:07 pm  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
IMO improperly stored.
Describe it as if there were no picture.
Picture it as if there were no description.
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 Posted 12/08/2019  10:21 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Some that was on the coins surface. (Coins coming straight from the mint are not "pristine" and clean.)
Gary Schmidt
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 Posted 12/08/2019  11:55 am  Show Profile   Bookmark this reply Add fistfulladirt to your friends list Get a Link to this Reply
What kind of wrappers did these come in?
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