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2022 D Wilma Mankiller Struck Through Grease

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Pillar of the Community

United States
1207 Posts
 Posted 08/21/2022  2:36 pm Show Profile   Bookmark this topic Add RW1010 to your friends list Get a Link to this Message Number of Subscribers
When I pulled this one from a bu roll it had grease all over it to the point where half the coin couldn't be seen. I knew it was struck through but without removing the grease there was no way to see what it really looked like. I should have taken before and after pictures. Oh well maybe next time. Anyways thanks for looking
2022-D-Wilma-Mankiller-Struck-Through-Grease
2022-D-Wilma-Mankiller-Struck-Through-Grease
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Yokozuna's Avatar
United States
4618 Posts
 Posted 08/21/2022  2:43 pm  Show Profile   Bookmark this reply Add Yokozuna to your friends list Get a Link to this Reply
Nice one!

I can imagine how obscured the obverse was! How did you "De-Grease" the coin?
ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!!
2022-D-Wilma-Mankiller-Struck-Through-Grease


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United States
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 Posted 08/21/2022  2:50 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Thanks Yokozuna. Unfortunately I had to lightly wipe it with a tissue. Here's a better pic
2022-D-Wilma-Mankiller-Struck-Through-Grease
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United States
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 Posted 08/21/2022  3:08 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Could that be a dropped zero from the date on Washintons temple? Looks about the right size to me
2022-D-Wilma-Mankiller-Struck-Through-Grease
Edited by RW1010
08/21/2022 3:11 pm
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Dearborn's Avatar
United States
96580 Posts
 Posted 08/21/2022  3:10 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
nice Greaser, but next time try acetone first to get any grease off of it. rubbing it will just add additional scratches to the coin.
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ijn1944's Avatar
United States
19171 Posts
 Posted 08/21/2022  3:14 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Could have been peanut butter from a mint worker's sandwich, dropped onto a die as it was being adjusted in the striking chamber.
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 Posted 08/21/2022  3:18 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Thanks Dearborn. I should have used acetone first and most definitely will next time
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silviosi's Avatar
Canada
6244 Posts
 Posted 08/21/2022  3:18 pm  Show Profile   Bookmark this reply Add silviosi to your friends list Get a Link to this Reply
Sorry to everybody, but this it is not Grease. This it is clad problem. Maybe if have grease was after mint strike from counting machine or from roll machine.

The adjustment of the die is made external of the striking chamber. 1 feet away from the chamber are 4 screws which will be employed when the computer fail. Insert the die with holder is done in a chamber trough two rubber arm protection and it is isolate from the exterior environment like for example the sand machines or in UV chamber in laboratory.
Edited by silviosi
08/21/2022 3:23 pm
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 Posted 08/21/2022  3:28 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Thanks ijn1944. The Denver mint employees should eat more pbnjs. These occurrences are not happening enough
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 Posted 08/21/2022  3:42 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Thanks Silviosi. These grease strike throughs are mostly found on Philadelphia quarters. People are calling them field restricted strike throughs and they get bigger than this. Mostly P mm
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silviosi's Avatar
Canada
6244 Posts
 Posted 08/21/2022  3:50 pm  Show Profile   Bookmark this reply Add silviosi to your friends list Get a Link to this Reply
RW you discuss about 2022 strike. Grease do not exist anymore. It is a glyceridic fluid which will solidify at 350 Deg C. The container is big around 100 litters. Grease was till 2001 the after no more such kind of grease.
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 Posted 08/21/2022  4:06 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Well Silviosi you're the expert not me. It could be an excessive hydraulic fluid issue or peanut butter and jelly or turkey and alvocado on rie bread error. Lol. I'm getting hungry. I hope we're all enjoying going through change looking for the big one. Good luck crh to all!
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Cujohn's Avatar
United States
7174 Posts
 Posted 08/21/2022  5:00 pm  Show Profile   Bookmark this reply Add Cujohn to your friends list Get a Link to this Reply
Looks like that mark on the temple is a reed contact mark. [ Greaser] includes more than grease, oil, water. It's just easier to say Greaser. Maybe we need to call anything after 2001 glyceridicer.
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 Posted 08/21/2022  5:30 pm  Show Profile   Bookmark this reply Add RW1010 to your friends list Get a Link to this Reply
Thanks Cujohn. Just above and connected to the reed contact there's what looks like a dropped letter error. I could just be seeing what I want to see being there so it may paradolia. I'm sure I spelled that wrong. Gly... It is
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silviosi's Avatar
Canada
6244 Posts
 Posted 08/21/2022  6:00 pm  Show Profile   Bookmark this reply Add silviosi to your friends list Get a Link to this Reply
RW: say Grease is nothing for a coin. What you have it is a bad planchet, is very clear to me. Probably it is the end of the clad roll, where is the most crazy forms of the material forms. Normally they cut the begin and the end of the rolls to eliminate the defaults but sometimes they cut just is required 2.5 feet which in some cases is not enough. I see shrinks on the surface, I see holes characteristic to the Carbon of the melting. No Grease will do those marks. 2022 production is no characterize by big quality, but this coin is out of the quality is default of the clad planchet.
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Kopper Ken's Avatar
United States
3402 Posts
 Posted 08/21/2022  6:35 pm  Show Profile   Bookmark this reply Add Kopper Ken to your friends list Get a Link to this Reply
I was thinking that this was a planchet issue also...lot of damage in the flat fields?

KK
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