1799 Draped Bust Silver Dollar. BB-151, B-13. Rarity-5. 13 Star Reverse, Irregular Date. AU-55 (NGC).A rare 1799 silver dollar variety with a total estimated population of 60 to 70 coins. This attractive early dollar represents the scarce Irregular Date variety, BB-151, easily identified by the die lump over the E in STATES. The design elements retain most of their original detail, combined with the 13 Stars reverse, the eye appeal and rich gunmetal-blue and gray color are outstanding. A high quality, high eye appeal coin that should please any variety, type or date specialist.