The "Liberty Head Eagle" refers to a series of gold coins produced by the United States Mint from 1849 to 1907. These coins feature a design by James B. Longacre, showcasing a profile of Lady Liberty on the obverse and an eagle on the reverse. The coins were minted in various denominations, including the $10 gold piece, commonly known as the eagle. The Liberty Head design was popular during its time and is notable for its classic representation of American ideals. The coins were made from 90% gold and 10% copper, contributing to their durability and value. Today, they are sought after by collectors and investors alike.