1972-S Uncirculated 40% silver Ike weighing 22.68g.

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amnight
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1972-S Uncirculated 40% silver Ike weighing 22.68g.

Post by amnight » Thu Jun 29, 2017 6:34 pm

I took this coin to a local coin dealer to find out why it weighed so light. Their coin expert looked at the coin and said he has no explanation as to why. The expert advised me to contact Fred Weinberg. Before I contact him, I wanted to see if anyone had any explanation or has seen a coin like this? Thanks!

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AndyO
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Re: 1972-S Uncirculated 40% silver Ike weighing 22.68g.

Post by AndyO » Thu Jun 29, 2017 11:33 pm

That sounds right on for a copper-nickel clad Ike..... A silver one would be about 2 grams heavier. Are you 100% sure the scale is calibrated? Does the edge look like a typical 40% silver?
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amnight
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Re: 1972-S Uncirculated 40% silver Ike weighing 22.68g.

Post by amnight » Fri Jun 30, 2017 12:21 am

I've weighed it on 3 different scales (not including the coin experts). Two of the scales weighed to the tenth of a gram, both came out 22.7g and one weighed to the hundredth of a gram 22.68g. Here are some pics, one shows the edge. This coin also shows the "Shadow Ike" variety.
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shadow-ccfopt.jpg
mintmark-ccfopt.jpg
reverse-ccfopt.jpg
obverse-ccfopt.jpg
edge-ccfopt.jpg

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AndyO
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Re: 1972-S Uncirculated 40% silver Ike weighing 22.68g.

Post by AndyO » Fri Jun 30, 2017 2:37 pm

Don't get me wrong, it is absolutely NOT unheard of for Ikes to be well out of tolerance on weight. Rather unusual to be that far out, however.
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19Lyds
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Re: 1972-S Uncirculated 40% silver Ike weighing 22.68g.

Post by 19Lyds » Sun Sep 10, 2017 3:01 am

AndyO wrote:Don't get me wrong, it is absolutely NOT unheard of for Ikes to be well out of tolerance on weight. Rather unusual to be that far out, however.
I have a 73-S 40% Coin which weighs in at 23.1 grams and then I have a 73-S 40% Coin which weighs 25.3 grams. Both from the same grouping of coins.

Chalk these up to silver strip thickness being out of whack.
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