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Rotated Dies. I Have Questions

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Chadwick's Avatar
United States
271 Posts
 Posted 02/05/2010  12:10 am Show Profile   Bookmark this topic Add Chadwick to your friends list Get a Link to this Message Number of Subscribers
Most of the people I work with now know that I am a coin nut(the term they use to describe me). And as such I have many of them looking at common change with a critical eye. They bring me items and ask questions. I offer what knowledge I have, but I don't consider myself an expert.

Lately, rotated dies has been a hot topic in the office. I had someone present me with a 1974 LMC with 30 degree rotation and asked if it was significant. I didn't know how to answer that. I started looking for rotations myself and found that they seem to be common within a certain amount of rotation, between 0 and 15 degrees. Less so with dates from the 80's forward.

My question is this. How much rotation is generaly considered significant? We have been looking at LMC's for the most part and have focused on the word "Liberty" on the Obverse as the standard of determining the level. We then compare that to the obverse. The 1974 LMC I was presented has the most rotation, I would guesstamate at 25-30 degrees.

Still, I'm very interested in rotated dies now. Not just for myself, but for everyone else I'm trying to provide honest answers for. I understand that a 180 degree die rotation would be exceptional, but what about the lesser rotations? In short, what is the deal with rotated dies?

Any advise, or wisdom would be greatly appreciated.
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Indian1's Avatar
United States
3640 Posts
 Posted 02/05/2010  09:42 am  Show Profile   Bookmark this reply Add Indian1 to your friends list Get a Link to this Reply
I personally would only bother with a minimum of 90 degs.
Some older coins maybe 45 degs.
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foundinrolls's Avatar
United States
3507 Posts
 Posted 02/06/2010  02:34 am  Show Profile   Bookmark this reply Add foundinrolls to your friends list Get a Link to this Reply
On modern coinage a rotation of 15 degrees or more is unusual and worth keeping.

On older coins like Indian cents and two-cent pieces, die rotation is more common.

Finding Indians or Two-cent pieces that are 180 degree rotated dies is actually not that hard to do with enough looking.

A 30 degree rotation on a 1974 cent is fairly significant.

Thanks,
Bill O'
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robbudo's Avatar
United States
2757 Posts
 Posted 02/11/2010  10:17 pm  Show Profile   Check robbudo's eBay Listings Bookmark this reply Add robbudo to your friends list Get a Link to this Reply
The rotated coin census shows that rotated 2-cent coins have an R1 rating (meaning there are an estimated number that exceed 1000 - very common). Most Indian Head cents have a R5, R6, or R7 rating depending on the date. That means that less than 80 for a given year have rotated dies between 90 and 180 degrees. Not all that common.

As someone who spends a lot of time seeking out rotated dies, a 30 to 45 degree rotation is highly collectible on dollar coins, but rather common on a Buffalo nickel - so a lot depends on the denomination. Most collectors don't go below 90 degrees usually. Of course, if I found a 1877 Indian cent with a 30 degree rotation - I'd jump on it like a kid on a downed pinata.
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Ozland's Avatar
United States
709 Posts
 Posted 02/11/2010  11:31 pm  Show Profile   Bookmark this reply Add Ozland to your friends list Get a Link to this Reply
The U.S. mint uses 15 degree rotation tolerance as normal. PCGS says a minimum of 35 degree rotation to be considered an error.
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