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1984 P Roosevelt Dime

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 Posted 03/10/2016  10:47 am Show Profile   Bookmark this topic Add Mljohnson96 to your friends list Get a Link to this Message Number of Subscribers
Hey guys. Hoping to draw some knowledge. I've touched a bit in collect over the years. Was hitting pretty hard for a while but then had to back off for a few years due to divorce.
Anyway.
While thumbing through pocket change last night I stumble over the Roosevelt. Something caught my eye so I took a closer look.
I'm a bit confused on this one. On the attached pictures you'll see a distinct ridge along the rim next to liberty. I'm not sure if this is a mint error or post mint damage to the coin.
The reverse side is perfect only thing going on is the ridge.
Would love some opinions. Thanks

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John1's Avatar
United States
56855 Posts
 Posted 03/10/2016  10:54 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
to CCF. Looks like a MAD, Misaligned die.
John1
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United States
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 Posted 03/10/2016  11:10 am  Show Profile   Bookmark this reply Add Mljohnson96 to your friends list Get a Link to this Reply
Thanks for the welcome John!
So it does appear to be an error in your opinion?
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 Posted 03/10/2016  11:22 am  Show Profile   Bookmark this reply Add Mljohnson96 to your friends list Get a Link to this Reply
Sorry. Thought the original pic I uploaded showed the whole coin. Here's the rest of it.

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coop's Avatar
United States
62064 Posts
 Posted 03/10/2016  11:32 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
We've seen this many times. It looks to be a flattening of a fin that was on the outside part of the rim.
1984-P-Roosevelt-Dime
Edited by coop
03/10/2016 11:34 am
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Pete41's Avatar
United States
261 Posts
 Posted 03/10/2016  2:02 pm  Show Profile   Bookmark this reply Add Pete41 to your friends list Get a Link to this Reply
Coop. Thanks for the images and explanation of the "fin." I have been puzzled about this for quite some time.
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 Posted 03/10/2016  4:26 pm  Show Profile   Bookmark this reply Add Mljohnson96 to your friends list Get a Link to this Reply
Now that bring up another question. What is the difference between a MAD and a fin error? I know the difference in the process of each one being created. Basically I guess what I'm asking is how to tell them apart visually.
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coop's Avatar
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62064 Posts
 Posted 03/10/2016  8:41 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
A fin error is from too much pressure during the strike.

A MAD is from improper alignment of the hammer (adjustable) die. Leaving the coin un-centered over the anvil die. (fixed position)
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