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What Causes This Ridge?

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Pillar of the Community

United States
1915 Posts
 Posted 07/17/2011  11:16 pm Show Profile   Bookmark this topic Add seal006 to your friends list Get a Link to this Message Number of Subscribers
When roll searching I, from time to time, come across a ridge like on this coin. It is not a scratch. It does not go through the devices, but rather makes the devices slope down towards the rim. I can tell it is not PMD. So, what is it? How does it happen?


What-Causes-This-Ridge?

Here is a full view of the coin. Notice this "ridge" encircles the entire obverse and most of the reverse.


What-Causes-This-Ridge?

What-Causes-This-Ridge?
Edited by seal006
07/17/2011 11:25 pm
Pillar of the Community
Adam_E's Avatar
United States
4846 Posts
 Posted 07/17/2011  11:22 pm  Show Profile   Bookmark this reply Add Adam_E to your friends list Get a Link to this Reply
it's die wear, it kind of explains its self, as the die is used, it wears down, deforming devices especially the motto, this is really common on cents from the 70's and 80's, so it has no added value
Valued Member
Waredu's Avatar
United States
397 Posts
 Posted 07/17/2011  11:26 pm  Show Profile   Bookmark this reply Add Waredu to your friends list Get a Link to this Reply
I think it's been through coin sorters/counters a few too many times. Just PMD, in my opinion.
Pillar of the Community
United States
1915 Posts
 Posted 07/17/2011  11:26 pm  Show Profile   Bookmark this reply Add seal006 to your friends list Get a Link to this Reply
Did not think it had any added value. I am just curious as to how it happens.
Pillar of the Community
United States
1915 Posts
 Posted 07/17/2011  11:29 pm  Show Profile   Bookmark this reply Add seal006 to your friends list Get a Link to this Reply

Quote:
I think it's been through coin sorters/counters a few too many times. Just PMD, in my opinion.


As I stated it does not appear to be PMD. There is no "mark" across the devices like what would be left from a sorter or counter.
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Wild Bill's Avatar
United States
744 Posts
 Posted 07/17/2011  11:31 pm  Show Profile   Bookmark this reply Add Wild Bill to your friends list Get a Link to this Reply
with Adam_E, from what I've learned, it is die wear
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Jayman931's Avatar
United States
2651 Posts
 Posted 07/18/2011  01:11 am  Show Profile   Bookmark this reply Add Jayman931 to your friends list Get a Link to this Reply
I run across them also...I don't know if its Die Wear or not...but I'm almost positive its not PMD...
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pyrbob's Avatar
United States
1943 Posts
 Posted 07/18/2011  06:10 am  Show Profile   Bookmark this reply Add pyrbob to your friends list Get a Link to this Reply
This is die wear as Adam stated. It is typically found on the zinc cents. It is one of the characteristics of the zincolns.
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Conder101's Avatar
United States
17884 Posts
 Posted 07/19/2011  12:59 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
It is less prevalent but it can be found on copper cents and other denominations as well. It just seems to be a lot more common on the Zincolns.
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