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Replies: 21 / Views: 1,849 |
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Moderator
 United States
97227 Posts |
this baby weighs in at a cool 2.43 grams (waiting to gain the extra after it would of gotten plated.. It presents with no proto rim. and NO it is NOT a knock-out from a steel electrical box - you can easily tell by the lack of the tab you would see if it were. (The tab is what would have held a KO to the box) Also it is NOT magnetic. It slightly smaller in diameter that a struck cent by about half a millimeter.   
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Moderator
 United States
34427 Posts |
Hey that's nice @dear. Was this found in the wild by you or didja buy it?
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz
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Moderator
  United States
97227 Posts |
thanks Spence, I wish I found it - but, alas, I spent a buck 50 for it. You can even see the roller lines on it too. I got it to place into my 8100 Dansco cent album. I'm going to place in with all the other zincs
Edited by Dearborn 08/27/2022 5:46 pm
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Pillar of the Community
 United States
4618 Posts |
I like these. The roller lines are clear and sharp.  Can you get an image of the edge? I have a few Type I and Type II zinc blanks and planchets with and without plating. I found one the other day that has a ' Ring of Death' where it was on the end of a roll of finished coins at one point.
ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!! 
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Moderator
  United States
97227 Posts |
Quote: I like these. The roller lines are clear and sharp.
Can you get an image of the edge? yeah, give me a minute. Here it is: 
Edited by Dearborn 08/27/2022 6:59 pm
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Pillar of the Community
Canada
3733 Posts |
Quote: waiting to gain the extra after it would of gotten plated.. not sure. but weren't the sheets all plated prior to the blanks being punched.
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Moderator
  United States
97227 Posts |
Quote: not sure. but weren't the sheets all plated prior to the blanks being punched naw, if they were the edges would not get plated. First they get punched out of the raw material, then it is off to the upsetting mill to develop the proto rim and smooth out the edge then off to plating
Edited by Dearborn 08/27/2022 7:50 pm
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Pillar of the Community
United States
1498 Posts |
Very cool pickup @dearborn. Price seems quite reasonable. Good luck keeping the zinc rot at bay!
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Moderator
  United States
97227 Posts |
Quote: Good luck keeping the zinc rot at bay! Yeah thanks - not quite sure what I'll do about that issue. But for now it looks pretty clean.
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Bedrock of the Community
United States
62064 Posts |
The Cutting into blanks, The setup to make it into a planchet, the plating is the third step in the process. Seems like this should have been noticed somewhere along the line?  Makes me wonder it if was taken from the outside source that makes the source coins?
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Moderator
  United States
97227 Posts |
Quote: Makes me wonder it if was taken from the outside source that makes the source coins? good point Coop. I'm glad I managed to get it for my collection.
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Bedrock of the Community
Australia
21788 Posts |
Blanks are much scarcer than unstruck planchets.
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Pillar of the Community
Canada
6244 Posts |
Nice. 2.43 gr seem perfect in parameters. Can you measure again the diameter? Is suppose to be 18.75 mm. You are correct about the Mint: blank, upsetting, annealing and the plating and strike. I like, me I have only 2, not zinc. One 1967 (was in the UN set) and one from a roll also Type I. Very nice. I have no idea of the prices of those.
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Moderator
  United States
97227 Posts |
Here ya go Sil: 
Edited by Dearborn 08/28/2022 2:16 pm
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Pillar of the Community
Canada
6244 Posts |
@Dear: When you use this caliper, you let down the coin and you use the meddle of the caliper's arms. the tips are for other kind of measurements. Your blank I see it is 17 mm in diameter. How you take show 16 mm. At this dimension it is legitim. Do not forgot, when strike, the planchet expand from center to the sides.
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Moderator
  United States
97227 Posts |
@ Sil: I think you looked at my calipers incorrectly (as I have from time to time) My blank measures 18.8mm not 15 or 16. That is just the end of the slide part of the caliber. Now my blank is about .2 mm smaller than a finished cent. You need to remember that when the blank is upset it will be reduced in diameter in order to form the proto rims, then it will expand again in the collar at the time of striking to achieve the final size of about 19mm.  Edit: My calipers measure the same from the center down to the points. So my first measurement was also correct.
Edited by Dearborn 08/28/2022 7:49 pm
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Replies: 21 / Views: 1,849 |