1967 Lincoln Cent (Date looks like 196T)

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Re: 1967 Lincoln Cent (Date looks like 196T)

#11 Unread post by Daniel » Fri Dec 06, 2019 7:44 am

Do you see these two images? You can see the scrape marks and this is not the first time I have seen this. You can tell the metal has been moved. During circulation anything that messes with the congruence of the metal can cause the metal to migrate in non-typical directions. Coin is post mint damaged and no question there, and I keep these only to show that it is post mint in my videos.
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Re: 1967 Lincoln Cent (Date looks like 196T)

#12 Unread post by Oldtimmer » Fri Dec 06, 2019 9:51 am

Grate discussion and points of view.
Did not think it was worth anything just thought it looked different.

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Re: 1967 Lincoln Cent (Date looks like 196T)

#13 Unread post by pahwa » Fri Dec 06, 2019 9:07 pm

Oldtimmer, as for a monetary value probably not worth a lot unless you happen to find someone who really likes these types of things. As for a value to you, you darn right. That would be in a flip and in a place of honor, that is one cool coin. And think about how many years that coin has been bouncing around here and there in people's pockets and purses. As for the value, here, we had some fun and good discussions, to me that is worth a fortune.
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Re: 1967 Lincoln Cent (Date looks like 196T)

#14 Unread post by pahwa » Fri Dec 06, 2019 11:14 pm

Daniel wrote:
Fri Dec 06, 2019 7:44 am
Do you see these two images? You can see the scrape marks and this is not the first time I have seen this. You can tell the metal has been moved. During circulation anything that messes with the congruence of the metal can cause the metal to migrate in non-typical directions. Coin is post mint damaged and no question there, and I keep these only to show that it is post mint in my videos.

Daniel, Yes I see the images. I have been looking at blown-up images since he posted the first pictures. And again when he posted the later closeups. I have to put them on my computer where I can use apparently different software to get a better look at them. There was never a question about it being post mint damage. I get more into the end results sometimes. This one is very interesting. Oversized east side of the bottom of the 7 and of course the East leg at the top. The source of the metal is explained, but to me, there are still unanswered questions about the dynamics of the scraping and why and what is keeping the metal in place. But it isn't worth the time for further discussion. I don't think either one of us has a metallurgical lab at their disposal, x-ray, and all the diagnostics need to really get the answers. And really it is just a cool looking penny.
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Re: 1967 Lincoln Cent (Date looks like 196T)

#15 Unread post by Daniel » Sat Dec 07, 2019 12:40 am

I don't need a lab or tests since I have a large collection of damaged coins to sample. I have seen this many times and it's caused from metal movement that scraped the side of the 7 and the metal migrated upward.

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Re: 1967 Lincoln Cent (Date looks like 196T)

#16 Unread post by pahwa » Sat Dec 07, 2019 1:35 am

LOL Yes that is correct. That is the cause of the movement of the metal we are in agreement there. However, your interest stops now. But you see, my interest and curiosity continue. This is where, I think, were are having miscommunications. We know in 1962 the mix of the metals used to make the penny changed. No more tin, so now 5% zinc 95% copper. This probably makes little or difference in the end results we see here with this coin. My interest continues on to the deposition of the moved material to the top and bottom of the 7. Even with metal being very malleable, scraped metal is not strong. I am just curious how it is being held in place, shaped the way it is and so on and so forth. Probably a lot of questions that will never be answered. So like I said before it is a keeper and a very cool looking penny.
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Re: 1967 Lincoln Cent (Date looks like 196T)

#17 Unread post by Daniel » Sat Dec 07, 2019 9:15 am

I was there one time and why I have a huge collection of various damaged coins. If it was something I couldn't figure out or understand my interest would not stop either. I am not sure if you have watched them but I created three videos on damaged coins, and many of them have misplaced metal and such. I guess you should think of wood and scrape with a chisel, but leave a small piece attached, then whack that piece with a hammer. At that point it would still be attached and after so many wacks it would flatten out, take on a different shape, and be more embedded into the wood.

Too me this is has already been solved and why my interest stops at scraped and damaged. I also created fake errors on video as well so I have experimented on coins a lot trying to recreate them. My current project is to figure the 2018 cent with the inner rim damage. I think I know how I just need to get out in the shed and replicate.




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Re: 1967 Lincoln Cent (Date looks like 196T)

#18 Unread post by pahwa » Sun Dec 08, 2019 5:32 am

I'll have to watch the videos when I have more time, almost 1 a.m. and I still have too much to do. But the pics are pretty cool. Put them on Espy for $1000.00's! lol You analogy of my thinking about shaving wood it true in some aspects. With all the woodturning I did I am don't even want to think about the miles of chips to long curls of wood I made. But then again I worked in the maintenance and mechcanial field most of my life. I have been around metal, lathes and have observed miles of metal chips and curls over the years. I was an inspector on a project where we had to cut off a runner liner, weld - build up a new liner and machine that back down to runner specifications. (These were the turbines at a Hydroelectric Plant) To perform that job, the boring bar was so large we had to ride on it, the liner was just under 28' across 6' high. We had to do 6 of them. That is a lot of miles of metal. I have seen various types of metals turned, it depends on the hardness how the metal moves. You can get fine or coarse chips, long almost straight stings to tight coils. The softer the tighter the coils then to the point of smearing then to do anything it is using compression. Such as 24 ct gold flattened to 0.5 microns in thickness or 0.001 mm thick almost 1 molecule thick. But I don't think it will turn worth a hoot until it is alloyed. The pictures of the damaged coins show a lot of compression, impact, and cutting damage but no scraping, however, I haven't seen the videos yet so give me a chance first. ;) I am by no means a metal expert but I have worked many years around the stuff.
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Re: 1967 Lincoln Cent (Date looks like 196T)

#19 Unread post by pahwa » Sun Dec 08, 2019 8:22 pm

Daniel, great videos, but that is the norm. However, when you smashed the dime into the quarter reminded me way back when that was a cup of coffee and a refill. There are lots of ways to mutilate a coin as you have shown.
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