This is a scarce date with the third lowest mintage of the series, reported as 751,122 half dollars. Seven die marriages were produced through a combination of six obverse and seven reverse dies. One is considered rare and one other scarce. The remaining varieties are Rarity-1 through 3. The seven varieties include five distinctly different date styles, simplifying attribution. Russ Logan collected 11 different examples, including the final unlettered edge example to be offered.

Leaman/Gunnet Emission Sequence for 1820 Capped Bust half dollars: O-102, 101, 103, 104, 105, 108, 106, (1821 O-101, 102, 103), 107.