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 Replies: 37 / Views: 3,153 |
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Bedrock of the Community
United States
62064 Posts |
Poll Question
I found a coin that I looked at trying to figure it out. It was stumping me for a time. But I think I have it figured out. Let's see if you can guess what it is.   uploaded/coop/1983-D_RIMS_COOP_01.jpg uploaded/coop/1983-D_RIMS_COOP_02.jpg uploaded/coop/1983-D_RIMS_COOP_03.jpg uploaded/coop/1983-D_RIMS_COOP_04.jpg uploaded/coop/1983-D_RIMS_COOP_05.jpg uploaded/coop/1983-D_RIMS_COOP_06.jpg uploaded/coop/1983-D_RIMS_COOP_07.jpg What is the problem with the rim area on this coin? You be the detective.
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Pillar of the Community
United States
2624 Posts |
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Bedrock of the Community
 United States
62064 Posts |
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Pillar of the Community
743 Posts |
I am guessing a slight broadstrike but who knows. The beveling near the rim is really interesting and I have seen it on several other years. You pointed out the die polishing but I did not see any mention of the clash inside the memorial so it was clashed and cleaned up. The reverse has some letters that look Struck Through Grease. It could also be a very late die state coin which might cause the areas next to the rim to look like they do. This is an interesting thread. It will be fun to find out what it is. |
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Bedrock of the Community
United States
62064 Posts |
There is a reason for the rim area. That is what I'm concentrating on. It's true about what you mentioned, but there is something else that is going on.
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Bedrock of the Community
United States
62064 Posts |
Lets make this a learning experience with a process of elimination.
1st item on the poll:
1. Why can't it be die polishing?
2. What is the purpose of die polishing?
3. What areas are usually polished on a die?
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Pillar of the Community
743 Posts |
OK, I did a little investigating on the internet and now know what it is but will keep quiet so others can guess. I just started looking each thing you listed up until I found one that looks like what you have somewhat. I will say this is a new one for me. Thanks for the lesson Coop.
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Pillar of the Community
United States
1572 Posts |
Coop,
Very cool! I did a little investigating myself to figure it out (which I did) and I must say I have not seen this before. Thanks for the lesson, there is so much to learn...
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Bedrock of the Community
United States
62064 Posts |
Well it's not die polishing. The questions were mentioned above, were not answered. I'll be out for a while, but will be back to continue this thread soon.
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Pillar of the Community
United States
836 Posts |
My try at the questions
1. Rims formed before minting and with collar, therefor not polished.
2. Isn't polishing generally to restore the die to working order without making a new one, to remove clashes and such?
3. Aren't the fields generally what polished and around the devices.
Edited by brenpickle
07/08/2013 11:39 am
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Pillar of the Community
United States
1572 Posts |
Sorry Coop, I agree with brenpickle plus:
1. Too many of the features are still sharp (Memorial steps, Lincoln's Hair, etc.) and no die scratches.
2. To make a "cleaner" looking coin (remove dirt, clash marks, and other imperfections), which this isn't.
3. The field of the coin and between the columns (all low spots, really, because they would correspond to the highest parts on the die) usually show polish marks (scratches) which this coin does not.
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Bedrock of the Community
United States
62064 Posts |
So polishing affects the fields and over polishing may remove some mid devices. But the area affected is the rim area. The edge of the die makes a raised area during a normal strike to roll the planchet up to the rim. So it is not an over polished die. You can see the die scratches, but the area in question is the rim area. Next poll item: Die Deterioration: What do you see on a die that is wearing? What areas are affected? Why is this rim not affected by Die Deterioration? I'll be back in a couple of days and see what progress is being made. If I can get onto a computer, I will check in from there. |
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Rest in Peace
1988 Posts |
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Pillar of the Community
United States
2077 Posts |
Did the planchet skip the upsetting operation? If not, is there such thing as agrease filled rim?
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Pillar of the Community
743 Posts |
I think someone has it right in this thread but I won't say who.
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Pillar of the Community
United States
2651 Posts |
I was going to say Die Attrition (actually that got my vote) but I thought the devices would be "under the rim" so to say...but I think there is also Die Deterioration present... |
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Replies: 37 / Views: 3,153 |
Posted 07/07/2013 5:22 pm
