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 ldarrellcSenior Member
Posts: 510
Joined: 05 Oct 2006
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 Posted: Sun Dec 31, 2006 10:31 pm |
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1992D wish it was closed AM but not My luck  
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 DickExpert Member
Posts: 5780
Joined: 21 Sep 2006
Location: Rialto, CA.
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| Posted: Sun Dec 31, 2006 10:36 pm |
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'nother one for the junk bowl. I have a few of them that start self-destructing, just SE of the MM, like this one. All are in the "circular file" Not enough copper to salvage in the plating, so why waste the time, and space?
Dick.
_________________
" Deja Moo: The feeling that you've heard this bull before".
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ldarrellcSenior Member
Posts: 510
Joined: 05 Oct 2006
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| Posted: Sun Dec 31, 2006 10:49 pm |
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what do you mean by waste time and space?
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DickExpert Member
Posts: 5780
Joined: 21 Sep 2006
Location: Rialto, CA.
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| Posted: Sun Dec 31, 2006 10:55 pm |
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Yeah Darrel, those that are self-destructing, go into a dish for dumping. I.E., going back into circulation, as replacememnts for rolls shortages.
Dick
_________________
" Deja Moo: The feeling that you've heard this bull before".
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 Bob PSite Admin
Posts: 3482
Joined: 01 Jul 2003
Location: Niceville, Florida
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| Posted: Mon Jan 01, 2007 7:09 am |
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The reason these coins go back to the pile Darrell, is that this anomaly is nothing more than a plating and corrosion problem. This is prevalent on many coins from the late 80s to early 90s.
Once the copper plating is broken through, the zinc core quickly begins to corrode causing these bubbles
_________________
Bob Piazza
Site Admin/Moderator
Attributer/Photographer
bobp@coppercoins.com
mustbebob1@gmail.com
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 coopExpert Member
Posts: 3402
Joined: 17 Sep 2003
Location: Arizona
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| Posted: Mon Jan 01, 2007 11:27 am |
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Darrell: Kind of the Rise and Fall of the mintmark. 
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Richard S. Cooper
You may be only one person in the world, but you may also be the world to one person.
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DickExpert Member
Posts: 5780
Joined: 21 Sep 2006
Location: Rialto, CA.
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| Posted: Tue Jan 02, 2007 12:56 pm |
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Good show, Coop! Nice to see you back in fighting shape, again. I thought the new year might have taken it's toll!
Dick
_________________
" Deja Moo: The feeling that you've heard this bull before".
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