The coin in question is a Seated Liberty Dime minted in 1857 at the New Orleans mint, designated with the "O" mint mark. This historical coin, representing a denomination of 10 cents, features the iconic Seated Liberty design, which symbolizes freedom and liberty. Crafted from silver, it has a weight of 2.49 grams and a diameter of 17.9 millimeters. The 1857 Seated Liberty Dime is notable for its relatively high mintage of 1,540,000 pieces, reflecting a period of significant circulation during the mid-19th century in the United States. The coin showcases a distinct and elegant design that collectors highly regard and appreciate. As a piece of American numismatic history, this coin exemplifies the craftsmanship and artistry of its time, making it a sought-after item among both beginner and advanced coin collectors. Its material composition, historical significance, and striking visuals contribute to its value and desirability in the numismatic market.