This exquisite coin is a Seated Liberty Quarter, minted in 1879 at the Philadelphia Mint. It carries the denomination of 25 cents (or a quarter) and is an example of Proof production, signifying it was struck with a special process to create a polished and highly detailed finish, which is appealing to collectors. The coin is made of silver and has a weight of 6.25 grams, a diameter of 24.3 millimeters, and was produced in a limited mintage of only 1,100 pieces, making it quite rare. The Seated Liberty design showcases the iconic depiction of Liberty seated, a theme that has resonated with collectors for generations. As a piece of United States currency, this quarter holds historical significance and represents an era of American coinage characterized by intricate artistry and craftsmanship. As such, its value in the numismatic market can be considerable, depending on its condition and demand among collectors. Overall, this 1879 Seated Liberty Quarter is not just a coin; it's a piece of history and a stunning example of American minting artistry.