Certainly! This coin is a 1978 Kennedy Half Dollar, a notable addition to the series that honors President John F. Kennedy. Minted at the San Francisco mint, indicated by the 'S' mint mark, this coin reflects the high-quality standards of the Proof production type. Measuring 30.6 mm in diameter and weighing 11.34 grams, this Kennedy Half Dollar is composed of a copper-nickel clad over a core of pure copper, giving it a distinctive look and feel. The proof finish enhances its appearance with a mirror-like surface, making it a favored choice among collectors. With a total mintage of 3,127,781 pieces, this coin is relatively limited in availability, especially in high-grade condition, adding to its desirability among numismatists. It is valued at 50 cents, but due to its proof status and collector interest, it may hold a higher market value. Overall, this 1978 Kennedy Half Dollar encapsulates a significant moment in U.S. history, honoring the legacy of JFK while also representing the artistry and craftsmanship of American coinage.