The coin in question is a 1910 San Francisco Mint Barber Dime, a notable piece of American numismatic history. Struck in silver, this dime features a rich, reflective surface typical of mint strikes from this era. With a mintage of 1,240,000, it was part of a series designed by renowned engraver Charles E. Barber. The Barber Dime measures approximately 17.9 millimeters in diameter and weighs 2.5 grams. As a ten-cent coin, it bears the denomination of "10¢" prominently, making it easily recognizable. The coin is characterized by its classic design, which includes an obverse featuring a profile of Lady Liberty adorned with a diadem, encircled by stars and the inscription "LIBERTY." The reverse showcases an eagle with outstretched wings, together with the words "United States of America" and the denomination "One Dime." Given its year of production and mint mark 'S,' this coin holds particular interest for collectors of Barber Dimes, as San Francisco Mint pieces often exhibit distinctive characteristics due to their minting process. Overall, the 1910 Barber Dime is not only a functional piece of currency but also a collectible item that reflects the artistry and craftsmanship of early 20th-century American coinage.