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83p LMC - Whats Going On Here?

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Author Previous TopicReplies: 5 / Views: 848Next Topic  
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gratefuldad's Avatar
United States
213 Posts
 Posted 02/14/2016  8:43 pm Show Profile   Bookmark this topic Add gratefuldad to your friends list Get a Link to this Message Number of Subscribers


83p-LMC---Whats-Going-On-Here?

83p-LMC---Whats-Going-On-Here?
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CoinMasters's Avatar
United States
5964 Posts
 Posted 02/14/2016  8:46 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Looks like it might be Zinc Rot, brought on by Split Plating.
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CoinMasters's Avatar
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5964 Posts
 Posted 02/14/2016  8:54 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Split-Plating occurs when the thin layer of copper is stretched over and around devices. This allows air to come in contact with the zinc - oxidation causes the Zinc Rot. The middle of 1982 they started copper-plating zinc planchets. Definitely not suitable for US coins.
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CoinMasters's Avatar
United States
5964 Posts
 Posted 02/14/2016  9:02 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
This is worse case scenario.


83p-LMC---Whats-Going-On-Here?
Rest in Peace
moxking's Avatar
United States
17900 Posts
 Posted 02/14/2016  9:08 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
Now I'm going to have nightmares about zombie zincolns.
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CoinMasters's Avatar
United States
5964 Posts
 Posted 02/14/2016  9:09 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
It's one of my favorite pics, thinking about starting an ugly coin contest. lol I think they should be called Zincoids.
Edited by CoinMasters
02/14/2016 9:11 pm
  Previous TopicReplies: 5 / Views: 848Next Topic  

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