The coin in question is a 1981 Anthony Dollar, officially produced by the United States Mint at its San Francisco facility, denoted by the 'S' mint mark. This coin is part of the Anthony Dollar series, which features the profile of Susan B. Anthony, a prominent figure in the women's suffrage movement. Struck in a Copper-Nickel clad Copper composition, the Anthony Dollar has a diameter of 26.5 mm and weighs 8.1 grams. With a total mintage of 3,492,000 pieces, this particular issue is categorized under coins and is officially valued at $1 (One Dollar). The Anthony Dollar, often remembered for its distinctive shape and design, was part of an effort to replace the paper dollar with a more durable coin, but it faced mixed reception among the public. As a collector's item, the 1981 San Francisco mint version may hold varying values depending on its condition, rarity, and demand among numismatists. The coin's attributes, including its unique minting history and encasement in American monetary tradition, contribute to its significance in both collector's markets and historical contexts.