Coin Proof Sets/Coins1965 S.S. Special Mint Set USA 5 Coins Kennedy Half Dollar 40% Silver UNCRated 0 out of 5 $13.00 Add to cart Coin Proof Sets/Coins1967 Special Mint Set. The “PROOF SET” For 1967. Original From US Mint.Rated 0 out of 5 $13.00 Add to cart 2/2