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1984 D Memorial Cent Mint Mark Error

 
 
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United States
452 Posts
 Posted 08/22/2019  6:25 pm Show Profile   Bookmark this topic Add Mrph12 to your friends list Get a Link to this Message
Can someone tell me what's going on with this mint mark I am guessing die rot? Or Error
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United States
4283 Posts
 Posted 08/22/2019  6:34 pm  Show Profile   Bookmark this reply Add Chase007 to your friends list Get a Link to this Reply
It is just a big blub of zinc rot poking thru.
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United States
12698 Posts
 Posted 08/22/2019  6:40 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply

Quote:
I am guessing die rot?


Not die rot, but zinc rot. This one is a spender.
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
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United States
40308 Posts
 Posted 08/22/2019  6:45 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Right, zinc rot and a spender for sure, like so much of the junk that the US mint spews out every day.
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39066 Posts
 Posted 08/22/2019  6:50 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
The zinc planchets are plated with copper. When the plating is split, the zinc deteriorates when oxygen reaches the zinc. Breaking down. It is the beginning of the end for the coin. Not a good thing.
Richard S. Cooper
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23768 Posts
 Posted 08/22/2019  7:23 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
Zinc rot, PSD. The Copper plating getting pierced, causing the zinc core to get exposed. PSD. Unfortunately, it's a spender.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
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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 Posted 08/22/2019  10:17 pm  Show Profile   Bookmark this reply Add Evan7 to your friends list Get a Link to this Reply
Agreed on all accounts
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