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Valued Member
 United States
275 Posts |
@makecents Thanks because I always thought that it was DDO. Well! You learn something new everyday especially in the world of coins! LOl Thanks again!  |
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Pillar of the Community
United States
3535 Posts |
Thanks for that info Makecents. I have always struggled to understand the working hub doubling. I struggled with it on my 1968-D's and as it turned out I have 40 of them all working hubs and zero DDO's. Tough to tell the difference sometimes. |
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Moderator
 United States
56855 Posts |
A great example would be the 1972 cents. John1  |
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Bedrock of the Community
United States
94367 Posts |
Very useful diagram, thanks.
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Moderator
United States
189767 Posts |
Very nice!  |
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Pillar of the Community
United States
984 Posts |
makecents, I hope this doesn't muddy the water.
"The Philadelphia Mint produces hubs and dies for every stage of the process. The Denver Mint receives master dies from Philadelphia to produce its own working hubs and dies. Both Denver and Philadelphia also make working dies for the San Francisco and West Point Mint facilities."
"We are all flawed, some MD and some PMD." NYI |
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Pillar of the Community
 United States
8812 Posts |
Quote:
makecents, I hope this doesn't muddy the water. Not at all, it's the same outcome, regardless of where the working hubs come from. The doubled working hub makes several dies and the several dies make a pile of coins with "worthless" doubling on them. -makecents-
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Pillar of the Community
United States
8812 Posts |
Glad my rudimentary diagram helped the OP and others. It's a really basic diagram but gets the point across. -makecents-
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Pillar of the Community
United States
1034 Posts |
Since we are talking about dies....
Is there an estimated # of coins one set of dies produces before they are worn out?
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Pillar of the Community
United States
8812 Posts |
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Moderator
United States
56855 Posts |
How many nickels?  John1 |
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Pillar of the Community
United States
8812 Posts |
Hah! I'll leave that to Brand. -makecents-
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Pillar of the Community
United States
2404 Posts |
 with John @Dearborn Thanks for the diagram Jon@Makecents. |
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Pillar of the Community
United States
1034 Posts |
Makecents: thank you for that little snippet. Good info and now I know.
I've been curious for a while now.
I've just been waiting for the right thread to ask, while still being on topic.
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Pillar of the Community
United States
8812 Posts |
kurdlezuit, you are welcome. My actual knowledge is very limited, but fortunately, the web can give us many answers. Some things can only be answered by time and experience though, which I am trying to build up. If you ever have these kinds of questions in the future, just start a thread, there are so many folks here that have extensive knowledge, MUCH more than me and would be glad to help. The only "bad" question, in my opinion, is one that is never asked. If you read much of any threads I've been involved with, you will find I do not mind being wrong and will admit when I am, which is often. I just like to learn and will take a hit occasionally to do this. -makecents-
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Posted 08/01/2024 12:02 am
