The 1840 Seated Liberty Dime is a notable coin in American numismatics, distinguished by its unique design and historical significance. This particular dime, minted in the United States, is made of 90% silver and 10% copper, giving it a weight of 2.67 grams and a diameter of 17.9 millimeters. The coin displays the artistry of designers Thomas Sully and Christian Gobrecht. The obverse features the iconic Seated Liberty design, depicting Lady Liberty seated on a rock, holding a shield in her left hand and a liberty cap on a pole in her right. This symbolizes freedom and strength. The reverse showcases a simple yet elegant arrangement of olive and oak leaves, with the denomination of "10C" prominently displayed. With a total mintage of 981,500, the 1840 Seated Liberty Dime is part of a series that began in 1837 and continued until 1891, a period marked by significant changes in American coinage. This specific year marks the beginning of the series and represents a transitional design, making it a key collectible for enthusiasts. The coin has a reeded edge, a feature that not only enhances its aesthetic but also serves as a deterrent against counterfeiting. Although there is no mint mark for this particular dime, its historical context and silver content contribute to its desirability among collectors. Overall, the 1840 Seated Liberty Dime is more than just a denomination of currency; it is a piece of American history, characterized by its valuable materials, artistic design, and enduring legacy in the realm of coin collecting.