The coin in question is a Seated Liberty Half Dollar, minted in 1878 at the San Francisco Mint, identified by the mint mark 'S'. This particular coin is a striking representation of American coinage from the late 19th century, featuring the iconic Seated Liberty design that has captivated collectors for generations. It is made of silver, weighing approximately 12.5 grams with a diameter of 30.6 millimeters, embodying the classic dimensions and composition of half dollars from this era. The denomination is 50 cents, and with a mintage of only 12,000 pieces, it is considered relatively rare, enhancing its desirability among numismatists. This coin falls under the category of types and coins, and its characteristics reflect both historical and economic significance. The beautiful artistry and design details make it a remarkable specimen for any collection. As a half dollar circulated in the United States, it represent both the history and heritage of American coinage during a transformative period. Collectors and investors alike often seek out such coins for their numismatic value, richness in history, and potential for appreciation.