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 Replies: 10 / Views: 9,332 |
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Valued Member
United States
477 Posts |
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Moderator
 United States
56855 Posts |
No DDO. It looks like a worn die. It would be called a doubled die, not a double die. John1  |
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Pillar of the Community
United States
5825 Posts |
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Valued Member
 United States
477 Posts |
How can you tell the difference? Thanks for your help.
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Moderator
United States
56855 Posts |
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Valued Member
United States
477 Posts |
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Bedrock of the Community
 United States
12839 Posts |
From what I understand Machine Doubling does not add to the value of the coin. Not my area of expertise though. |
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Rest in Peace
United States
7075 Posts |
Mechanical Doubling is common so no premium value. There's no harm in keeping any coin you like and maybe keeping this one as an example. If you ever see a true doubled die you could compare the two. There are some extreme examples of machanical doubling that are pretty interesting and that I would consider keepers but I've never seen one of those for sale nor have I found one.
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Valued Member
United States
477 Posts |
Thanks for the information guys! To what zoom do you normally magnify on to check for double dies? Do you literally view every coin under a microscope. I'm thinking this would take a lot of time. Or do you guys only check for double dies if it looks like a double die under the naked eye and than confirm under the microscope for a closer look? Thanks in advance.
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Bedrock of the Community
United States
62064 Posts |
I check each coin under a microscope. Mine has an infinite zoom from 3.5-35X. But less than 20X is enough. Anything above that is over kill. I use my higher zooms for die markers for a closer view to show to others. But if I can see a doubled die and I take an image and I can't see it, then I know it is too minor to worry about.
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Moderator
United States
56855 Posts |
I use a 14x jewelers loupe but you should start out with a 10x unless you have vision problems like I do. A Hastings triplet is best but a doublet will do,that's what I use. John1 |
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Posted 02/22/2016 09:05 am
