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Is This A D/D Or D/D/D RPM? 1955 25¢

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Beefer518's Avatar
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887 Posts
 Posted 11/07/2017  8:42 pm Show Profile   Bookmark this topic Add Beefer518 to your friends list Get a Link to this Message Number of Subscribers
There are no listed RPM's for the 1955-D Washington quarter, but this coin definitely has something going on with the Mint Mark. With the loupe, it looks like a D/D/D, best I get see/show in the photos is what appears to be D/D.

Does it look like an RPM to you, or does it look like Machine Doubling? I have gone through every device on the reverse (as well as the obverse), and so no other doubling on anything. I would think that if it was MD, the doubling would show in at least one other device.

Multiple photos are with the light coming from different angles.


Is-This-A-D/D-Or-D/D/D-RPM?-1955-25¢
Is-This-A-D/D-Or-D/D/D-RPM?-1955-25¢
Is-This-A-D/D-Or-D/D/D-RPM?-1955-25¢
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Beefer518's Avatar
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887 Posts
 Posted 11/07/2017  9:39 pm  Show Profile   Bookmark this reply Add Beefer518 to your friends list Get a Link to this Reply
Well, it's definitely machine or Die Deterioration Doubling. Another photo from another angle shows it quite well;


Is-This-A-D/D-Or-D/D/D-RPM?-1955-25¢

Even through the loupe at this angle, I couldn't see the shelf doubling. Magnifying it about 100x makes it obvious though.
Edited by Beefer518
11/07/2017 9:40 pm
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Earle42's Avatar
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10044 Posts
 Posted 11/07/2017  9:50 pm  Show Profile   Bookmark this reply Add Earle42 to your friends list Get a Link to this Reply
The upper portion of the D itself is smaller than it should, and this makes me think MD.
On the coin in the pic I am including, the only thing doubled is the MM.
Is-This-A-D/D-Or-D/D/D-RPM?-1955-25¢
How much squash could a Sasquatch squash if a Sasquatch would squash squash?
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Errers and Varietys's Avatar
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74849 Posts
 Posted 11/07/2017  10:10 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
With the close up pictures, it's obvious that it is MD.
Errers and Varietys.
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coop's Avatar
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62064 Posts
 Posted 11/07/2017  11:10 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
You can see the areas it reduced. A RPM or a doubled die enlarges the devices. MD reduces the normal size of the devices with a flat step down look. Also not of the first image, how the 'D' is reduced in size with the MD.
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Mark1959's Avatar
7234 Posts
 Posted 11/07/2017  11:25 pm  Show Profile   Bookmark this reply Add Mark1959 to your friends list Get a Link to this Reply
Coop nails it again! Great information!
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