The coin in question is a 1930 San Francisco Mint Mercury Dime, recognized for its sophisticated design and historical significance within American numismatics. Officially denominated as ten cents, this dime weighs 2.5 grams and has a diameter of 17.8 millimeters. Crafted from a silver composition, it represents an important piece of currency from the United States. The coin features the iconic Winged Liberty Head, commonly referred to as the Mercury Dime, designed by renowned sculptor Adolph A. Weinman. This design, which symbolizes freedom, was first struck in 1916 and became a staple of American coinage throughout the 1920s and early 1930s. The specific piece in question was produced at the San Francisco Mint (denoted by the 'S' mint mark), with a limited mintage of just 1,843,000 coins in that year, enhancing its desirability among collectors. Given its attributes and the fact that it is composed primarily of silver, the 1930 Mercury Dime is not only a crucial piece for those studying U.S. coinage but also a cherished find for collectors who appreciate its artistic value and historical context. Depending on its condition, this coin can have varying market values, making it an intriguing item for numismatics enthusiasts.