The coin in question is a USD Gold Dollar, specifically from the 1885 series, produced at the Philadelphia Mint with a 'P' mint mark. This coin is part of the Gold Dollars subtype and is categorized under currency coins, weighing in at 1.67 grams. The coin has a diameter of 15 mm, embodying a delicate and compact design characteristic of the era. With a limited mintage of only 11,156 pieces, this 1885 Gold Dollar is a notable piece of numismatic history. Its composition of gold reflects the rich tradition of gold coinage in the United States during the late 19th century. The coin is celebrated for its historical significance and aesthetic appeal, making it a prized collectible for enthusiasts and investors alike. Overall, this 1885 Gold Dollar showcases the ingenuity of American minting practices and stands as a testament to the evolution of U.S. currency, embodying both economic and artistic values of its time.