The 1929 $10 Federal Reserve Note from the St. Louis district is a notable piece in the history of American currency, representing the transition to smaller-sized notes that began in the 1920s. This series is characterized by its distinctive green Treasury seal and the iconic portrait of Alexander Hamilton, which adds to its appeal among collectors. In terms of rarity, notes from this series are considered moderately scarce, especially in attractive condition, making well-preserved examples highly sought after. The printing details, including the intricate designs and the use of high-quality paper, reflect the craftsmanship of the era, while the historical context of the Great Depression makes this note a fascinating artifact of American financial history.