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1986 D Penny Date Doubling?

 
 
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United States
12 Posts
 Posted 11/06/2018  2:00 pm Show Profile   Bookmark this topic Add Dohomm to your friends list Get a Link to this Message
Hi. I found this coin and I want to check with some more professional
people in this matter. Can you tell me, is this a DD on the Date(number 9) or something else? Thanks




Pillar of the Community
United States
6806 Posts
 Posted 11/06/2018  2:05 pm  Show Profile   Bookmark this reply Add SilverDollar2017 to your friends list Get a Link to this Reply
Machine Doubling, not a doubled die.

to the CCF!
Collector of all classic US coinage.

How to identify cleaned coins: http://goccf.com/t/319679
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United States
32715 Posts
 Posted 11/06/2018  2:06 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
It is Machine Doubling. Your are looking at the edges too hard. You need to look for the spread on the centers of the devices:

A doubled die means the die was doubled and the devices will be wider. On your coin the normal device is reduced even smaller. MD happens after the normal coin was struck and the machine damages the devices. So by look at the edges of the devices, you will only find MD there.
Another example of Machine Doubling on the opposite side if the devices.

MD is very common.
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/
New Member
United States
12 Posts
 Posted 11/06/2018  2:41 pm  Show Profile   Bookmark this reply Add Dohomm to your friends list Get a Link to this Reply
Got it. Thank you
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United States
13622 Posts
 Posted 11/06/2018  3:10 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
To CCF!
Errers and Varietys.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
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United States
29503 Posts
 Posted 11/06/2018  5:18 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Keep looking!



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