The 1993-S US Mint Clad Proof Set Coins in Original Box with COA are a collection of uncirculated coins struck with a 0.9 fineness in proof condition at the San Francisco Mint. The set includes various coins from the United States with certification from the U.S. Mint. This collectible set is a valuable addition to any coin enthusiast's collection, showcasing the craftsmanship and quality of American coins from 1993.