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 Replies: 11 / Views: 909 |
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Pillar of the Community
United States
900 Posts |
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Pillar of the Community
United States
3463 Posts |
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Pillar of the Community
 United States
900 Posts |
Thanks for the article cwb , good read. I thought it was plain ole md but I guess it has its own classification.
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Valued Member
United States
147 Posts |
Cool 3-D look, I wouls keep it too. Nice articles cwb, thanks. I will have to look more closely at the 99Ds.
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Pillar of the Community
United States
3463 Posts |
Quote:
I will have to look more closely at the 99Ds This can happen on any year of modern coin. |
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Bedrock of the Community
 United States
12477 Posts |
That is a pretty cool 3D effect on the MM. I'd keep it, too. Thanks for the links cwb. I don't know much about the machinery but, I'm guessing the slide doubling (and maybe push doubling, too) is caused by the die not being seated securely allowing for lateral/rotational shifting?  In Memory of Crazyb0 12-26-1951 to 7-27-2020
In Memory of Tootallious 3-31-1964 to 4-15-2020
In Memory of T-BOP 10-12-1949 to 1-19-2024
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Pillar of the Community
United States
3463 Posts |
I'm not 100% sure what causes it, but I know the die (usually the hammer die) moves after the initial strike, dragging the devices across the surface, giving a smeared look to them.
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Bedrock of the Community
United States
62064 Posts |
While they look like die flow lines, they aren't. It is call metal striation from the movement of the die. Kind of like the movement of a knife across soft butter. You can see the striation lines in the butter when the know is slid over the surface. It is the lines on the edge of the dies device that made these lines.
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Pillar of the Community
United States
4212 Posts |
That avatar is making the rounds. I keep thinking Thad is asking these questions.
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Pillar of the Community
United States
900 Posts |
i find it odd that the only part of the coin that looks that way is the mm you would think it would be on all devices. Fioti are you talking about the Lincoln avatar?
Edited by Potbellypub
04/13/2017 6:33 pm
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Pillar of the Community
United States
1335 Posts |
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Pillar of the Community
United States
4212 Posts |
I am. It was a loner for awhile.
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Replies: 11 / Views: 909 |
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Posted 04/12/2017 11:47 pm
