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 Replies: 13 / Views: 2,281 |
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Moderator
 United States
56855 Posts |
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Bedrock of the Community
United States
62064 Posts |
The edge of the rim looks rough. I think it is tampered with. There is nothing in the mint process that would leave those marks. If there were we would have seen more examples of this before now.
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Pillar of the Community
967 Posts |
I have noticed that a lot of the 05 P Buffalo nickels have an edge that was different. They had marks running from side to side across the edge. Not sure if is the same though. I never did look at one through a microscope. |
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Bedrock of the Community
United States
12437 Posts |
Based on the appearance, I would say it might be remnants of the blanking process when the blanks are punched out from the metal stock.
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Pillar of the Community
United States
4778 Posts |
I've noticed these lines on the edges of 2005 nickels also...
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Pillar of the Community
United States
2739 Posts |
Are the vertical lines raised or incuse? Can you provide photos of each face?
Error coin writer and researcher.
Edited by mikediamond
07/31/2016 6:53 pm
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Moderator
 United States
56855 Posts |
Hi Mike, Thanks for checking it out. The lines are raised and I can not post new pics because I can't remember where the coin is  John1  |
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Pillar of the Community
United States
2189 Posts |
Quote:
"Biokemist quote"
Based on the appearance, I would say it might be remnants of the blanking process when the blanks are punched out from the metal stock. 100% in agreement. That's exactly what it is. |
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Pillar of the Community
United States
3656 Posts |
John it has only been 5 years - I am sure your memory goes back at least 5 and half years  . I am lucky if I can remember last weeks coins. |
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Moderator
United States
56855 Posts |
You Funny... John1 |
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Pillar of the Community
United States
2739 Posts |
This is not blanking damage. It also seems unlikely to be due to a damaged collar. I suspect it's damage from from a coin-counting/sorting machine. While such damage usually takes the form of thick, evenly-spaced oblique ridges and grooves, it's possible that other designs can produce different patterns.
Error coin writer and researcher.
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Pillar of the Community
United States
2189 Posts |
Quote:
This is not blanking damage Why not? Seems just as plausible as coin counting sorting machine damage |
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Bedrock of the Community
United States
62064 Posts |
The collar would have removed these lines if they were caused by the blanking process. It would have to happen after the strike.
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Pillar of the Community
United States
2775 Posts |
John1, I thought you link your example in reference to another recent post. I can not find that other post now, but the markings on the other coin was nearly identical to the what you captured in fourth pic from the top. A repeated evenly spaced marking that seem to circumference to edge of the coin.
Both examples showed edge pics and not straight on obverse, reverse and rims. So I'll assume they both seemed normal to the eye.
If so I thought about it trying to come up with a conclusion.
Shear lines from blanking process I'd think would be possible if it (the blank) missed the upset process and had a lessor (or no collar) strike in the coining chamber was the only thing that would allow the edge markings to remain that in tact as seen. This seems too unlikely in my opinion.
I think Mike's explanation of an outside source applying the marks after strike seems more likely. Thank, Doug.
PS: also thought about the upset process. Can it produce such a thing if the pressure not properly adjusted?
Again if so I'd think we'd see more examples. As coop says the normal collar strike should wipe them out so again unlikely.
Edited by Halo1st
08/01/2016 2:01 pm
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Replies: 13 / Views: 2,281 |
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Posted 06/11/2011 07:10 am
