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Replies: 18 / Views: 10,431 |
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Pillar of the Community
 United States
8938 Posts |
The reverse from 10-12*k. The weakness, and apparent slight angle are a possiblility. Or it could be underweight. Doesn't look altered to me.
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Bedrock of the Community
United States
94367 Posts |
A tapered planchet would weigh less. Could we see pics of the edge from at least two angles next to a normal coin, please.
Edited by Coinfrog 10/23/2019 10:25 pm
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Rest in Peace
United States
17900 Posts |
Good request Frog. That would probably solve the mystery.
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Bedrock of the Community
 United States
12477 Posts |
My other suggestion would be to make sure your scale is properly calibrated. 
In Memory of Crazyb0 12-26-1951 to 7-27-2020 In Memory of Tootallious 3-31-1964 to 4-15-2020 In Memory of T-BOP 10-12-1949 to 1-19-2024
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Pillar of the Community
 United States
1217 Posts |
spruett, yes my scales are new and on point. all my other coppers are hitting 3.1g here are a couple pics, hope this helps. Thanks!!  
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Bedrock of the Community
United States
17884 Posts |
Well it is copper,it doesn't show evidence of having been soaked in a corrosive (acid or base), shows no evidence of excessive wear or having had the surfaces ground down, but weighs significantly below spec. Does show weakness in the striking. Rolled thin planchet.
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Pillar of the Community
 United States
1217 Posts |
Thank you! that would be the first that I have ever found/noticed.
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Pillar of the Community
United States
7512 Posts |
I would agree with rolled thin plan as well.
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Bedrock of the Community
 United States
12477 Posts |
Thanks for the followup. I agree that it's a thin planchet. 
In Memory of Crazyb0 12-26-1951 to 7-27-2020 In Memory of Tootallious 3-31-1964 to 4-15-2020 In Memory of T-BOP 10-12-1949 to 1-19-2024
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Bedrock of the Community
Australia
21788 Posts |
Underweight planchet? Yes. I do not recall the term 'tapered planchet', but by reasoning I will make an assumption: the planchet was cut from the very end of the rolled strip, but not quite enough from the end to result in a clipped planchet. Correct my assumption if I am wrong. ----------------------------------------------------------------------------------------------------------------------------------------------------- I have a 1965 British Penny which is thin (about 25% under weight, but fully struck up), for quite a different reason: It is a 'Mint Sport', and here is the reason for it's existence: In 1965, employees of Tower Hill Royal Mint in London were informed that their job location was to be transferred to Llanstrissant in Wales, due to the advent of the production of Decimal currency in a brand new minting facility. Almost all of the employees did not want to re locate, so they showed their anger with a protest. They deliberately made all kinds of gross error coins, and tossed them by the handful over the security fence outside the Mint, for passers by to pick them up. My Penny is one of those protest coins.
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Bedrock of the Community
United States
17884 Posts |
You are correct, when the ingots get rolled out the ends of the strip are tapered over a distance of several inches. These tapered ends are supposed to be trimmed off. Sometimes it didn't happen and blanks were punched from these tapered regions.
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Pillar of the Community
United States
2915 Posts |
Been organizing my Lincolns today and happened upon this one while rolling up some 1973 Philly coins... heard a strange "ping" and decided to weigh it...  Flip the coin over and it has the same weak spots on the reverse's design as the OP's coin...  Asides from the planchet being a little thin, it otherwise looks normal... pretty cool find!
CRH Nickeloholic. 1,600,000 nickels searched in eight years! Have found FOUR complete Jefferson sets!
Edited by John77 04/17/2021 10:10 pm
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Pillar of the Community
Canada
6244 Posts |
We discuss about a 1973 coin. In that time they cut only the begin of the roll and at the end just what was crack. This coin is part of the end of roll which give thin planchet. This it is normal production error of the mint. The reality it is not to many coins like this could be find. Why? because only max of 4 to 6 sq feet could be like this.
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Pillar of the Community
 United States
1217 Posts |
Nice find John77!
I have been keeping an eye out for another while going through old coppers, no luck yet. I would really like to find one that has been uncirculated.
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Pillar of the Community
United States
2915 Posts |
Quote:
Nice find John77!
I have been keeping an eye out for another while going through old coppers, no luck yet. I would really like to find one that has been uncirculated.
Thanks, HumblePie! I would think finding a BU example would definitely be tough, unless you somehow ran into some original rolls.
CRH Nickeloholic. 1,600,000 nickels searched in eight years! Have found FOUR complete Jefferson sets!
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