The Seated Liberty Half Dollar, produced from 1839 to 1891, features a design by Engraver Christian Gobrecht, showcasing Lady Liberty seated on a rock. The obverse depicts Liberty holding a shield and a Liberty cap, while the reverse showcases an eagle with a shield. The 50-cent coin is highly sought after by collectors for its historical significance and artistic design, with various mintmarks indicating where the coins were produced. Condition, mintmark, and year of mintage play critical roles in determining the value of these collectible coins.