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1990 LMC RPM or zinc bubble?

 
 
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 Posted 12/05/2017  5:58 pm Show Profile   Bookmark this topic Add Surf-city-NC to your friends list Get a Link to this Message
I know that 89 was the last year it should be possible for RPMs to occur, but this looks an awful lot like one to me.

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 Posted 12/05/2017  6:20 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Would you orient your pics correctly, please!
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 Posted 12/05/2017  6:32 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
Try light pressure on the high point with a wooden tooth pick. It will probably collapse or move.
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 Posted 12/05/2017  6:39 pm  Show Profile   Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
The necrosis state of plate disturbance doubling...ain't ya ever smelt a dead body before? Just smell your next container of bank dumped stinkin zinkins, you'll get a wiff of a lot of dead bodies...of Penny that is..

PDD will cause a disturbance under the plating, moving it, if it splits in any minute manner, corrosive air or oils will enter causing rapid zinc rot corrosion there.
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Edited by Crazyb0
12/05/2017 7:42 pm
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 Posted 12/05/2017  7:06 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
I think you might have some split plating there.
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