The 2018 S Proof Clad Kennedy Half Dollar from the Proof Set is a highly collectible coin minted in San Francisco by the United States Mint. This uncirculated coin features a copper-nickel clad composition, making it a valuable addition to any coin collection. With a denomination of 50 cents, the Kennedy Half Dollar is a staple in American currency, showcasing President John F. Kennedy on its obverse. This particular coin is struck in proof quality, making it a desirable choice for numismatists seeking pristine examples of US coins.