S Proof Kennedy vs Silver Proof

Believe it or not, whild searching through thousands of Kennedys obtained from banks, I came across two proof coins. One is a 1996. How do I tell the difference between a 1996-S and a 1996-S Silver? I have the Mint Proof Set and the Premier Silver Proof Set, but can't see a difference in the two. I would like to classify it correctly. The coin is in excellent shape, to have been in circulation.
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Comments
Russ, NCNE
<< <i>Look at the edge for a copper layer. No layer, it's silver. If it has the layer, it's clad.
Russ, NCNE >>
Of course, now I am scratching my head wondering why I wasn't smart enough to figure that out.
<< <i>
<< <i>Look at the edge for a copper layer. No layer, it's silver. If it has the layer, it's clad. Russ, NCNE >>
Of course, now I am scratching my head wondering why I wasn't smart enough to figure that out. >>
Genetics? Drugs? Ozone layer depletion?
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Link to 1950 - 1964 Proof Registry Set
1938 - 1964 Proof Jeffersons w/ Varieties