1. 1794 Flowing Hair Half Dollar: The first official U.S. half dollar, distinguished by its flowing hair design, is extremely rare and valuable, with only a handful known to exist.
2. 1796 Draped Bust Half Dollar: Featuring the bust of Liberty on the obverse and an eagle on the reverse, this early half dollar is highly sought after by collectors for its historical significance and scarcity.
3. 1838-O Capped Bust Half Dollar: Minted in New Orleans, this half dollar is notable for its low mintage and rarity, making it highly desirable among numismatists.
4. 1916 Walking Liberty Half Dollar: Designed by Adolph A. Weinman, this iconic coin features Lady Liberty walking towards the dawn of a new day, and is considered one of the most beautiful U.S. coins ever minted.
5. 1797 Draped Bust Small Eagle Half Dollar: Another rare and valuable early half dollar, distinguished by its small eagle reverse design and low mintage.
6. 1921-D Walking Liberty Half Dollar: Minted in Denver, this coin is highly sought after by collectors due to its low mintage and historical significance as the first year of issue for the Walking Liberty design.
7. 1948 Franklin Half Dollar: Designed by John R. Sinnock, this coin features a portrait of Benjamin Franklin on the obverse and the Liberty Bell on the reverse, and is highly prized by collectors for its design and historical significance.