Click to expand Tap to zoom 1988 US Mint Clad Proof Set Gem Coins w/ Box $13.15 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1988-S US Mint Clad Proof Set. These Beautiful GEM Proof Coins Come in the Original Box. _gsrx_vers_841 (GS 7.0.16 (841))