1776-1976 50C MS | Coin Explorer | NGC,1776-1976 50C MS | Coin Explorer | NGC,MS 66 Graded 1976 Kennedy US Half Dollars (1964-Now) for sale | eBay,MS 66 Graded 1976 Kennedy US Half Dollars (1964-Now) for sale | eBay,1976 S - Proof Silver Bicentennial Washington Quarter - NGC PF 69* Ultra Cameo, PR69DCAM - PCGS Auction Prices