All Draped Bust, large-eagle reverse quarters are scarce. The key date in this short series is the 1804, with a mintage of just 6,738 coins with an fewer than 400 survivors estimated. The 1805, 1806, and 1807 Draped Bust quarters have mintages in the low six figures, but today only a couple thousand or so of each exist. Variety enthusiasts refer to the Browning (B#) reference.