Kennedy Half Dollars are a series of 50-cent coins produced by the United States Mint, commemorating President John F. Kennedy following his assassination in 1963. The coin was first minted in 1964 and continued to be produced for circulation until 1970, with later years primarily focusing on collectors. The 1966 Kennedy Half Dollar is part of this series and is notable for its distinctive design featuring Kennedy's portrait on the obverse and the Presidential Seal on the reverse. Collectors often seek these coins for their historical significance and varying mintages, with the 1966 version being specifically notable among the series.