The United States Half Dollar Coin has been in circulation since 1794. It was first minted in 1794 and has been minted in various designs ever since. The coin has a face value of fifty cents and is composed of 90% silver and 10% copper. The most common design of the Half Dollar Coin is the Liberty Head design, which was minted from 1839 to 1908. This design features Lady Liberty wearing a Phrygian cap on the obverse side of the coin. The reverse side of the coin features an eagle with outstretched wings. The Half Dollar Coin has also been minted in other designs, such as the Barber Half Dollar, the Franklin Half Dollar, and the Kennedy Half Dollar. The Kennedy Half Dollar was first minted in 1964 and is still in circulation today. It features a portrait of President John F. Kennedy on the obverse side and the Presidential Seal on the reverse side. The value of the Half Dollar Coin depends on its condition and the year it was minted. Coins minted before 1964 are composed of 90% silver and are worth more than face value. Coins minted after 1964 are composed of a copper-nickel alloy and are worth face value. The United States Half Dollar Coin is a fascinating piece of American history. It has been in circulation for over two centuries and has been minted in various designs. Its value depends on its condition and the year it was minted.