The coin in question is a Seated Liberty Quarter, minted in 1888 at the Philadelphia Mint. It is part of the United States currency system and is valued at 25 cents, commonly referred to as a quarter. This particular coin is made of silver and features a diameter of 24.3 mm and a weight of 6.25 grams. With a mintage of only 10,001, it is relatively rare and sought after by collectors. The quarter showcases the classic design of the Seated Liberty series, making it a notable representative of 19th-century American coinage. Additionally, the absence of a mint mark indicates that it was produced in Philadelphia, the original minting site for many United States coins. As a piece of numismatic history, this Seated Liberty Quarter from 1888 holds both aesthetic and monetary value, appealing to individuals interested in coin collecting, history, and investment opportunities.