Quote:1976-S PROOF Cupro-Nickel Clad 50c.: 11.34 grams
1976-S PROOF 40% Silver Clad 50C.: 11.50 grams.
It is all spelled out in the "
RedBook".
But due to the tolerance range of the two coins overlapping, weight can NOT be used to definitively identify them.
should work though. A silver plating can fool the
but if it was plated you wouldn't see the edge separations.