You are bidding on a 1976-S Three Coin Silver Bicentennial Proof Set in the original mint packaging with the COA. The coins are struck in 40% Silver. The coins in the set are:
1976-S Proof 40% Silver Washington Quarter Dollar
1076-S Proof 40% Silver John F. Kennedy Memorial Half Dollar
1976-S Proof 40% Silver Eisenhower Dollar.
If you have any questions about this item please ask, I will respond promptly. Good Luck and Happy Bidding.