The coin in question is an 1883 Proof Nickel Three Cents, minted at the Philadelphia Mint. This particular coin features a unique and historical denomination of 3¢, making it a notable piece in American numismatics. The coin is composed of Copper-Nickel, giving it both durability and a distinctive appearance. With a limited mintage of only 6,609 pieces, this 1883 nickel is a coveted find for collectors, especially in Proof condition, which is characterized by its exceptionally high quality and polished finish. The diameter of the coin is 17.9 millimeters, and it weighs 1.94 grams, showcasing its compact design. Proof coins such as this one were produced specifically for collectors, and as such, they may exhibit mirrored surfaces and sharp details, making them stand out from circulation coins of the same era. The Philadelphia Mint mark 'P' indicates its place of origin, further enhancing its collectibility. Overall, the 1883 Nickel Three Cents is a fascinating piece of American history, representing not only a unique denomination but also a specific era in coinage that is cherished by many collectors.