The Capped Bust Quarter is a silver coin minted in the United States from 1804 to 1839. The design features a depiction of Liberty with a capped head on the obverse and an eagle on the reverse. The 1820 issue was struck at the Philadelphia Mint and is part of a series known for its classic styling and historical significance. Collectors seek Capped Bust Quarters for their artistic design and rarity, particularly in high-grade condition.