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1985 D Roosevelt Dime Mint Error - Weak Strike

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tropicalbats's Avatar
United States
6108 Posts
 Posted 01/13/2024  11:46 pm Show Profile   Check tropicalbats's eBay Listings Bookmark this topic Add tropicalbats to your friends list Get a Link to this Message Number of Subscribers
These used to be called "die adjustment error" coins, but that terminology is obsolete. There just isn't a way to know if that's what they were doing or not, so now they are just "weak strike." Or to spice it up you could go with "insufficient ram pressure."

I picked this one almost two weeks ago and it finally arrived today.

1985-D Roosevelt dime mint error - weak strike - 2.25g


1985-D-Roosevelt-Dime-Mint-Error---Weak-Strike
1985-D-Roosevelt-Dime-Mint-Error---Weak-Strike
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Errers and Varietys's Avatar
United States
73595 Posts
 Posted 01/14/2024  12:04 am  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Inadequate Upset. http://goccf.com/t/274901
Errers and Varietys.
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tropicalbats's Avatar
United States
6108 Posts
 Posted 01/14/2024  12:19 am  Show Profile   Check tropicalbats's eBay Listings Bookmark this reply Add tropicalbats to your friends list Get a Link to this Reply
Well that's one I hadn't heard of, but reading your link and the links in those links, it would seem this happened a lot on 1985-D coins. It still seems to me that insufficient pressure would create the coin as seen, but clearly this topic has been given some serious thought and I probably need to keep following up and learning a bit more about inadequate upset.
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John1's Avatar
United States
56855 Posts
 Posted 01/14/2024  04:27 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
We get that dime a few times every year here on CCF.Use the search box and you will see what I mean.
John1
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Coinfrog's Avatar
United States
94367 Posts
 Posted 01/14/2024  05:52 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Inadequate upset, won't forget that.
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cownick's Avatar
Canada
677 Posts
 Posted 01/14/2024  06:30 am  Show Profile   Bookmark this reply Add cownick to your friends list Get a Link to this Reply
I have the exact same coin I found in circulation in Canada. I took it over to a coin show in Michigan to find out what it was. The dealer said immediately it was a pressure set up strike and I understood very quickly he was right. I still enjoy seeing it.
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Dearborn's Avatar
United States
94666 Posts
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United States
2734 Posts
 Posted 01/14/2024  5:16 pm  Show Profile   Bookmark this reply Add mikediamond to your friends list Get a Link to this Reply
Very common on 1985-D dimes. A combination of excessive obverse die convexity (a design flaw) and inadequate upset. Despite the poorly struck obverse perimeter, these dimes feature a sharp rim/edge junction and a tall edge with exceptionally strong reeding. Ken Potter claims it's some kind of widespread die deformation error affecting many dies, but his theory doesn't account for the strength of the reeding and sharp rim/edge junction.
Error coin writer and researcher.
Edited by mikediamond
01/14/2024 5:19 pm
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Cujohn's Avatar
United States
7174 Posts
 Posted 01/14/2024  6:55 pm  Show Profile   Bookmark this reply Add Cujohn to your friends list Get a Link to this Reply
Another one I'll have to look out for.
Quote:
not enough upsetting going on here.
I upset as much as I can around here.
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tropicalbats's Avatar
United States
6108 Posts
 Posted 01/14/2024  7:42 pm  Show Profile   Check tropicalbats's eBay Listings Bookmark this reply Add tropicalbats to your friends list Get a Link to this Reply
Thanks Mike! What a tough and interesting coin, and glad to hear the specific diagnosis so I can try and think straight about it. I don't see many dimes or likely would have run into this already as from what I am learning there are quite a lot of these out there. Well, now I have my example!
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CoinHI's Avatar
United States
2731 Posts
 Posted 01/14/2024  9:11 pm  Show Profile   Bookmark this reply Add CoinHI to your friends list Get a Link to this Reply
I was of the many that posted one these dimes a couple years back mainly because I saw this ANACS graded coin listed on ebay. I assume the TPG's have since updated their info on this anomaly.

This coin has been listed for several years now.


1985-D-Roosevelt-Dime-Mint-Error---Weak-Strike
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United States
2734 Posts
 Posted 01/14/2024  11:25 pm  Show Profile   Bookmark this reply Add mikediamond to your friends list Get a Link to this Reply
You should never assume that the grading services are aware of, let alone embraced, current knowledge.
Error coin writer and researcher.
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