This exceptional coin is a **1879 Liberty Head Double Eagle**, officially denominated as **$20** (Twenty Dollars), and it is a stunning example of American numismatic artistry. Struck at the **Philadelphia Mint** with the mint mark **P**, this coin belongs to the illustrious **Liberty Head** series, which is cherished by collectors for its classic design and historical significance. Produced as a **Proof** issue, this coin exhibits a remarkable level of detail and finish, intended for collectors rather than circulation. With a **mintage** of just **30** pieces, it is quite rare, making it a valuable addition to any serious collection. Measuring **34.00 mm** in diameter, the coin features a weight of **33.44 grams** and is crafted from pure **gold**, ensuring both its beauty and intrinsic value. Its design showcases the iconic liberty bust on the obverse, while the reverse proudly displays a majestic spread-winged eagle with a shield. Given its exceptional condition, limited mintage, and the prestige of the Liberty Head series, this 1879 Proof Double Eagle is not only a piece of currency but a remarkable artifact reflecting the rich history of the United States. Collectors and investors alike regard it as a prized possession in the realm of American gold coins.