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1983 Double Clipped (20%) Bronze Transition Lincoln Cent

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 Posted 05/12/2021  05:23 am Show Profile   Bookmark this topic Add Flokizomb to your friends list Get a Link to this Message
So I believe this is a Bronze 1983 planchet with total of 20% double clip error Total weight is 2.5g I believe with both clips its .6g have been cut off the total wieght of the penny. Is this a Bronze or any ideas anyone thanks.




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 Posted 05/12/2021  05:38 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
This coin was cut. Note the affected areas are not plated. It was a normal coin when it was struck.
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 Posted 05/12/2021  05:55 am  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
If the weight is 2.5 grams I would like to see it on a scale with a pic of that.
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 Posted 05/12/2021  09:21 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Agree, attempted deception.
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 Posted 05/12/2021  12:41 pm  Show Profile   Bookmark this reply Add Earle42 to your friends list Get a Link to this Reply
Agreed - cut coin.
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 Posted 05/12/2021  2:03 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply

Quote:
Note the affected areas are not plated.

So if that is a zinc core cent then after it was cut did someone cover the cut area with some copper metallic paint to cover up the zinc? Pretty sneaky I'd say...
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 Posted 05/12/2021  5:34 pm  Show Profile   Bookmark this reply Add Flokizomb to your friends list Get a Link to this Reply
There's the pic on the scale 2.5g


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 Posted 05/12/2021  5:52 pm  Show Profile   Bookmark this reply Add JimmyD to your friends list Get a Link to this Reply

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 Posted 05/12/2021  5:58 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply
I'm guessing the only way to make sure it's a copper 83 instead of copper coated zinc would be to take it to a Jeweler or Pawn Shop that has an XRF gun -
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 Posted 05/12/2021  8:24 pm  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
Puzzling that it weighs 2.5 grams with the apparent damage. Someone needs to give Mike Diamond a shout.
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 Posted 05/12/2021  9:05 pm  Show Profile   Bookmark this reply Add Altaira to your friends list Get a Link to this Reply
I guess I'm the contrarian here, but I'm not convinced it's entirely PMD with the way the rim on the right side fades into the clip. The one on the left doesn't seem as promising. But the weight is bizarre... What does the clip on the right side look like from the edge?
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 Posted 05/12/2021  9:15 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Did you punch in on the tare button. That will set you scale back to zero. Then check the weight.
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
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 Posted 05/12/2021  9:37 pm  Show Profile   Bookmark this reply Add Numiscrat to your friends list Get a Link to this Reply
It is still way too light to be bronze.

I agree with the OP's proposition that it would be a 20% clip if the clips are clips because (3.1-2.5)x100/3.1=19%, and therein lies the problem...

Divide the coin into fifths (20%). Now mentally lay those clipped pieces in each slice of that pie. Not close to equaling that slice, is it?
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 Posted 05/12/2021  10:16 pm  Show Profile   Bookmark this reply Add Numiscrat to your friends list Get a Link to this Reply


So, in a variation of the ancient, precomputer age method of integration called "cut-and-weigh" paper, I weighed the whole of my model cent and the model cent after clips. I am working from a phone screen. If I were using a computer, I would print the image of the cent and work from that. As is, I think I got close to the correct proportions.

Anyway, the percentage of clipped area inferred from the weight is only about 5.9%.

5.9% of a 2.5 gram zincoln only knocks off 0.15 grams, so 2.4 or 2.3 grams on OP's balance. .

5.9% of a 3.1 gram bronze planchet only knocks off 0.18 grams. On the OP's balance, that would show as 2.9 grams.

The stated measured weight of 2.5 grams is closer to which one?

Edit for spelling and for some sloppiness with significant figures.
Edited by Numiscrat
05/12/2021 11:57 pm
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 Posted 05/12/2021  10:29 pm  Show Profile   Bookmark this reply Add Numiscrat to your friends list Get a Link to this Reply
I realize that the coin will have a more variable weight distribution across it (higher mass per unit area at rims and in the middle with higher relief devices) than my model, but this picture is closer to representing a 20% clip. I crept in to the correct weight by gradually snipping off pieces.

I have a feeling that we may overestimate clip area on a coin the same way most of us would grossly overestimate blood loss by looking at what has splattered on the floor, or soaked into our pants leg.... Don't ask.


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 Posted 05/12/2021  11:06 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply

Quote:
The stated measured weight of 2.5 grams is closer to which one?

So painting the zinc core surface, that was exposed when the cuts were made with a heavy metallic copper paint, actually could have brought the coin back into zinc cent tolerances? And I'm sticking to the paint theory - otherwise how do you explain the copper colored cuts when @coop stated about seeing the copper plating?

EDIT - where's @Silviosi when we need him. Wish we had a "TAGGING" option.
Edited by Rothery
05/12/2021 11:08 pm
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