1807 Capped Bust Right Quarter Eagle. BD-1, the only known dies. Rarity-3. EF Details--Surfaces Smoothed (PCGS).The final issue in the challenging Capped Bust Right quarter eagle series, and the most frequently encountered in numismatic circles, the 1807 is a perennial favorite among advanced gold type collectors at all levels of preservation. The present example is one of perhaps 250 to 350 coins extant from a mintage of just 6,812 pieces.