The coin in question is a 1919 Walking Liberty Half Dollar, minted in San Francisco, marked with the 'S' mint mark. This iconic coin features a beautiful design created by Adolph A. Weinman, showcasing Lady Liberty walking gracefully towards the sun on the obverse, while the reverse displays an impressive depiction of an American eagle. This half dollar is composed of 90% silver and weighs 12.5 grams, with a diameter of 30.6 millimeters. The 1919 issue had a total mintage of 1,552,000 coins, which contributes to its collectibility among numismatists and silver enthusiasts alike. With its rich history and representation of the American spirit during the early 20th century, the Walking Liberty Half Dollar is not just a piece of currency, but a cherished collectible that continues to hold value in the realm of coin collecting. Its silver content also adds intrinsic value, making it sought after by both collectors and investors. Whether for display in a collection or as an investment, the 1919 San Francisco Walking Liberty Half Dollar is a remarkable example of American numismatic history.