Collectible coins, such as the United States Liberty Head Eagles, represent a significant aspect of American numismatics. The Liberty Head design, created by engraver James B. Longacre, was used for gold coins, including the $10 gold eagle, minted from 1838 to 1907. The 1875 Liberty Head Eagle is particularly noteworthy, as it is part of the series that showcases the intricacies of the design and the historical context of the era. Collectors often seek specific years and conditions, making coins like the 1875 Liberty Head Eagle desirable in the market.