The Classic Head Half Eagle refers to a design of the U.S. $5 gold coin that was produced from 1821 to 1834. The obverse features a portrait of Liberty, while the reverse displays an eagle with a shield. The 1825 issue is particularly sought after by collectors due to its historical significance and relative rarity. The Classic Head series is noted for its unique characteristics compared to other gold coins produced during similar time frames in American numismatic history.