This coin is a Seated Liberty Dime, minted in 1868 in San Francisco (designated by the 'S' mint mark). It is composed of silver and has a diameter of 17.9 mm, weighing 2.49 grams. The denomination is 10 cents, which is commonly referred to as a dime. With a mintage of 260,000 pieces, this coin is part of the United States' rich numismatic history. The Seated Liberty design, which features an image of Lady Liberty seated, was widely produced in the 19th century and is beloved by collectors. Given its year of production, mint location, and silver composition, this 1868 Seated Liberty Dime is not only a desirable piece for numismatists but also a testament to the craftsmanship and historical significance of American coinage. Its relatively low mintage adds to its collectible value. The condition and specific grading would further influence its overall value, making it a prized addition to any collection focused on United States coins.