D S over B SMaker name
Undated
silver
Seen on objects dated 1786–1793.
silver
This mark is identical to one attributed by Grimwade Grimwade, Arthur - London Goldsmiths, 1697-1837: Their Marks and Lives, Faber & Faber, 1990 to Digby Scott & Benjamin Smith II but the date range pre-dates Smith's arrival in London from Birmingham c1802