This coin is a Seated Liberty Half Dollar minted in 1870 in Philadelphia, with the mint mark "P." As a proof coin, it showcases exceptional craftsmanship and detail, having been struck specifically for collectors rather than for general circulation. The coin has a denomination of 50 cents (or fifty cents) and is made from silver, weighing approximately 12.44 grams. Its diameter measures about 30.6 mm, giving it a substantial feel in hand. With a relatively low mintage of only 1,000 pieces, this particular coin is quite rare and sought after by collectors. The Seated Liberty design, which features a seated figure of Liberty holding a shield and a pole with a liberty cap, embodies the ideals of freedom and democracy prevalent in the United States during the 19th century. This coin represents a significant piece of American history and numismatics, especially for enthusiasts of silver coins and the Seated Liberty series.