This 2015 Kennedy Half Dollar is a stunning proof coin minted at the San Francisco Mint, distinguished by its "S" mint mark. Crafted from copper-nickel clad copper, it embodies both artistic design and historical significance, being part of the Kennedy Half Dollar series which commemorates President John F. Kennedy. With a denomination of fifty cents, this coin features a diameter of 30.6 mm and weighs approximately 11.34 grams, indicative of its robust build. The proof finish highlights its exceptional quality, showcasing highly contrasted, mirrored surfaces that bring out the intricate details of the design. The total mintage for this specific proof issue is 669,960, making it relatively accessible yet still sought after by collectors. As a product of the United States of America, this coin not only serves as legal tender but also as a cherished collectible that pays homage to a significant figure in American history. The combination of its artistic merit, limited mintage, and premium proof quality positions this coin as a noteworthy addition to any collection.