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1964 D Penny DDO, DDD, "Doa"

 
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 Posted 10/12/2022  7:44 pm Show Profile   Bookmark this topic Add jfeed to your friends list Get a Link to this Message
Hello again.. I'm trying to understand the different error designations so let me see if this is correct. From what I've learned so far, this may be a DDD...? Sure looks like a double strike. Thanks.. Jim

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 Posted 10/12/2022  7:47 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Correct, this is Die Deterioration Doubling ( DDD).



to the CCF!
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 Posted 10/12/2022  9:01 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Others might call this Machine Doubling. Suggest doing a google search on die detriortion doubling and Machine Doubling. Always fun.
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 Posted 10/13/2022  04:19 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
From my understanding, DDD is only on single squeeze die making that started around 1999...coop.
John1
( I'm no pro, it's just my humble opinion )
Searched 6.5 +/- Million Cents Since 1971
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 Posted 10/13/2022  10:29 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Correct. DDD happens on those dies. DDD affects the fields on the zinc cents. This 1964 year had the multi hub die creation. So what you are seeing is Machine Doubling. All die can have die wear/abrasion/polishing.

Thus the devices can reach the edges of the dies:


But the DDD affects the fields on the cent dies, rather than the devices that are closer to the rims.


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/
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 Posted 10/13/2022  12:56 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
Machine Doubling. Keep searching!
ça va bien aller

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