The ball closure key chain is made of a durable jeweler's metal. The stylish design includes a genuine half dollar set in a sturdy silvertone bezel. The JFK Bicentennial Half Dollar was minted in 1975-1976 to honor the 200th anniversary of the United States. It was designed by Gilroy Roberts and Seth G. Huntington. The obverse features a bust of Kennedy while the reverse displays Independence Hall. The coin is composed of copper-nickel. The coin bears the double date of 1776-1976. Coins are historical, collectible and designed to show pride in your heritage. Mint marks will vary. Includes a Certificate of Authenticity.