The coin in question is an exceptional example of the Shield Nickel series, produced in 1870 at the Philadelphia Mint. This particular piece is a proof coin, which signifies that it was struck using a special minting process designed to create coins with a high degree of detail and a polished finish, usually intended for collectors. This Shield Nickel, featuring the denomination of five cents, is made from a Copper-Nickel alloy, which gives it both durability and a distinctive appearance. It has a diameter of 20.5 mm and weighs approximately 5 grams. With a total mintage of only 1,000 pieces, this coin is quite rare, making it a coveted item among numismatists. The obverse of the coin typically showcases a shield, a design emblematic of protection and integrity, while the reverse often features a simple but elegant design that complements the obverse. The “P” mint mark indicates it was minted in Philadelphia, a historical site for American coinage. In summary, this 1870 Shield Nickel not only represents a fascinating part of American history but also embodies the artistry and craftsmanship that goes into coin production. As a proof coin, its value is elevated due to its rarity and the high quality of its striking, making it a prized addition to any collection of 19th-century United States coins.