1799 Draped Bust Silver Dollar. BB-158, B-16a. Rarity-2. VF-20 (NGC).Lightly toned in silver gray and pale gold, this suitably bold VF reveals flickers of original luster as the surfaces rotate under a light. Bowers-Borckardt 158 is one of the more readily obtainable die marriages of the 1799-dated silver dollar issue, the present example ideal for circulated type purposes. BB Die State III.