The coin in question is an exquisite example of a United States Gold Dollar from the year 1888. It features a beautiful proof finish, which enhances the details and luster, making it a prized collector's item. It was minted in Philadelphia, marked with the 'P' mint mark, indicating its place of origin. Weighing 1.67 grams and with a diameter of 15 mm, this coin is crafted from high-quality gold, exhibiting the characteristic weight and feel of precious metal. The mintage of this particular piece is limited to only 1,079 coins, adding to its rarity and allure among numismatists. As a one dollar denomination coin, it represents not just a monetary value but a significant piece of American history. The series it belongs to, the Gold Dollars, showcases the artistry and craftsmanship of the era. Ideal for collectors seeking to enhance their collections with vintage currency, this 1888 proof gold dollar is a remarkable find that encapsulates the legacy of American coinage.