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1986-P Commemorative - Mechanical Doubling Or DDO On Date

 
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Valued Member

United States
393 Posts
 Posted 02/22/2020  5:34 pm Show Profile   Bookmark this topic Add sosicoin to your friends list Get a Link to this Message
Kindly assist in determining if date is MD or DDO. Thanks...

My apologies for the poor quality of pics...





*****pics taken at 180 degree rotation to prevent glare





***** pics taken at regular orientation





Thanks...
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United States
47862 Posts
 Posted 02/22/2020  5:44 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
That is Machine Doubling. How can I tell? Note the area you are looking at. Is the edge flat, square like? Yes. Note how the light reflects back in the images? That is showing that, that area is flat.

The normal design would be contoured like the other three sides of the devices. Note how the devices are reduced from the MD on the edge of the coins. If it were a doubled die, the contour would be present. The devices would be enlarged. They are not. So it is not a doubled die. This was caused by the machine. On a doubled die the doubling is 'on the die.' Thus the term doubled die.
I just check to see if PCGS has any listed as a doubled die and didn't see any. So they are just machine doubled examples.
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
Edited by coop
02/22/2020 5:45 pm
Valued Member
United States
393 Posts
 Posted 02/22/2020  5:54 pm  Show Profile   Bookmark this reply Add sosicoin to your friends list Get a Link to this Reply
Thanks, Coop.... as always.... thanks for the indispensable information ...
Pillar of the Community
United States
4599 Posts
 Posted 02/22/2020  6:59 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
MD.

I also agree about coop... he is our national treasure! You are the best, coop!
ša va bien aller

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