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2019 P American Memorial Park Quarter. Annealing Error Or Ed?

 
 
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Valued Member
United States
498 Posts
 Posted 07/09/2019  7:59 pm Show Profile   Bookmark this topic Add Big-Kingdom to your friends list Get a Link to this Message
Hi. Found this roll hunting. Best pictures I could take with what I have and my skill level.

I'm thinking Evironmental Damage but when I look at slabbed annealing error quarters definitely some look like this too.

Coin has full cartwheel luster that shines through under whatever this marking is.

Here's the pics. I did it with 2 different lighting maybe one is better than the other.
What do you think this is about?





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United States
21698 Posts
 Posted 07/09/2019  8:02 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Environmental Damage, Post Strike Damage ( PSD). Probably stuck on dirt and crud.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
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12049 Posts
 Posted 07/09/2019  8:27 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@BK, did you try an acetone soak yet? That might remove whatever is on the surface.
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Valued Member
United States
498 Posts
 Posted 07/09/2019  9:20 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
I tried some distilled water and nothing changed but haven't tried acetone.

Truth be told ive never done acetone on coins and am kind of aprehensive about doing it not knowing what I'm doing.

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United States
999 Posts
 Posted 07/09/2019  9:32 pm  Show Profile   Bookmark this reply Add Greasy Fingers to your friends list Get a Link to this Reply
Big K..you got to start sometime..10 - 15 minutes in Acetone wont hurt it.Clad quarters are pretty tough and I've soaked pre 82 cents for up to 48 hours with no harm...have to be more watchful on zincolns,to long of a soak can cause black staining...start off with non errored coins and take timed notes...As far as this 25c, I too read the earlier post...and IMO all I'll say is and good luck..
Valued Member
United States
498 Posts
 Posted 07/10/2019  1:42 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
Thanks. Just never seen a coin in 13 weeks after release look like this, yet still have the cartwheel luster.
Does anyone know if acetone would remove annealing staining? Or it absolutely wont remove it,
Like if this coin missed the after annealing wash or something even, or maybe cooked too long, I have to assume the wash after annealing is done to remove impurities or copper from annealing from the surface. I'm not so much interested in going further and further trying to clean the coin, I tried distilled water and rolling a q-tip over it for some time and nothing changed. I have plenty of examples of new 2019P AMP quarters without these markings already, so no need to really try to clean off this one unless it would somehow prove conclusively it was an annealing process error, Pre-strike, if it didn't come off.
I just don't know. I think given the right chemicals and time, I could make the whole coin disappear am I right? LOL
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