I had one of each set the uncirculated set is now in my dansco7070 and I still have the silver proof version. Here is a picture of the proof version http://cgi.ebay.com/1976-United-Sta...et_W0QQitemZ170210944954QQihZ007QQcategoryZ139815QQssPageNameZWDVWQQrdZ1QQcmdZViewItem and here is a picture of the uncirculated set http://cgi.ebay.com/1976-S-Three-Co...RD_W0QQitemZ320240130323QQihZ011QQcategoryZ11981QQssPageNameZWDVWQQrdZ1QQcmdZViewItem both were minted with the S mint mark




















