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1989 D Die Deterioration

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United States
67 Posts
 Posted 05/29/2021  12:57 pm Show Profile   Bookmark this topic Add Miss K to your friends list Get a Link to this Message Number of Subscribers
Just want to post to make sure I have this right. Die Deterioration? Weight 2.51g

1989-D-Die-Deterioration
1989-D-Die-Deterioration
1989-D-Die-Deterioration
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Cujohn's Avatar
United States
7174 Posts
 Posted 05/29/2021  1:27 pm  Show Profile   Bookmark this reply Add Cujohn to your friends list Get a Link to this Reply
It's called split plate.
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John1's Avatar
United States
56855 Posts
 Posted 05/29/2021  1:53 pm  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
Split copper plating. I think it is related to MD?
John1
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coop's Avatar
United States
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 Posted 05/29/2021  2:01 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
As Mike recently mentioned, it isn't what I thought was Machine Doubling. But take a look at this coin. Note the direction of the split plating. If it were caused by Machine Doubling we would see the same dies of the devices affected. But looking at this coin, I now realize it is from the strike pressure. Note the tops on the USA are all affected towards the rim. Also the right side of the building is affected and possibly the left side. So I've changed my way of view this. This is from the strike, and not from Machine Doubling. There is not single/double direction that is affected, but the push from the center outwards, tell me now, it is strike pressure.
http://www.error-ref.com/?s=split+plating

Edited by coop
05/29/2021 2:01 pm
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ijn1944's Avatar
United States
19197 Posts
 Posted 05/29/2021  2:40 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Very nice example of split plating.
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