Hello DAN!
01 Aug 96 08:51, DAN LAFLIN wrote to Frank Lessa:
 DL>    Been a while since I collected coins, but did not the US  PROOF
 DL>    sets  have the Half as 40 pct silver for a few years AFTER
 DL>    the regular circulation half became Non-silver?
 DL>    Up to i think 74-76
Perhaps you are referring to the bizarre silver 3 piece Bicentenial Proof set 
of 1976.
John
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