1971 eisenhower dollar silver 90%

I recently came across a 1971-s Ike but it's 90% has anyone seen this before also do you know the worth point

 

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Are you thinking that this is 90% just because of the edge appearance? It's possible for 40% coins to look like 90%, just because of the way the planchet was punched out of the stock and/or the way the coin toned (tarnished) in the air.

A 90% coin would be heavier than a 40% coin, which in turn would be heavier than a clad coin.

But none of this is really relevant, because the mint wasn't striking 90% dollar coins in 1971, so there were no "wrong planchets" of 90% silver to fall into the press. There's really no way this could be a 90% coin, in my opinion.

 

It has to be 40% silver clad. The core was 20% silver and 80% copper, but it frequently looks like silver. the two outer sides were 80% silver and 20% copper.

 

71 40 % is almost 25g
71 that I belive is a 90% weighs almost 27
I know it's not a fake I pulled it from a mint package I just weighed them? I talked to a coin shop who said that he has seen 2 in 30 years

 

The coin appears to be 1971-S 40% Proof Ike Dollar. Those coins were not sold in "mint packages" with other coins. They were sold as singles in a hard plastic case in a brown cardboard box.

 

So one more thing from the coin shop he just called and said there where very few as in less than 10k that where 90% he is pcgs authorized should I send it off?

 

You may as well if you are convinced that it 90% silver. It's the only way you are going to get big bucks for it as an off-metal piece.

 

It’s only 40% silver but if you are convinced it’s 90% then pay the fees and send the coin in to a TPG. Then post the results here. Welcome to CT.

 

almost looks plated to me. would that bump the weight up from 24.59g to "almost 27g"?

 

What mint packaging did you pull this from?
One that looked like this?
Interesting the weight gain though.

 

Brown Box Ike. As related above, by John and others, the mint only produced 40% silver Ikes in this time period as pertaining to the coin legislation at that time. There were no 90% planchets produced......

 

Maybe a left over planchet from the 1964 Peace dollar endeavor

 

But a peace dollar planchet is closer to 27g and available , could it somehow have been used??
An XRF or similar test would tell.
OP mentioned a coin shop, should have had it tested there.

 

Probably not a 1964, but maybe a 21-35?
Leftover planchet.
A non invasive test would tell.

 

Chances of this being so are equal to winning the current mega millions drawing. (devil)

 

He’s got a proof coin there. Aren’t the proof planchets produced differently? Would a business strike planchet look like a proof after being struck with proof dies? Honest question, I’m not trying to be difficult.

EDIT: just did some reading, same planchets but different treatment after being punched. The proof planchets are polished and cleaned before striking. Seems like this would make the peace dollar planchet idea very unlikely. It would have to find its way back through the process of being sorted for proof/business strike after having gone through that process.

 

Good point

 

Chances could actually be better with the manual human intervention as opposed to random computer generated number sequences drawn with a program that knows what numbers have already been in play.
Not saying that a lottery is rigged, But

 

The coin came from a proof set like Pic below

 

Not possible. For one, there is no hole for a dollar in a set like that. Secondly, just not possible in 1971!!! lol