An early 19th century Swiss 18 carat gold and enamel vinaigrette, Geneva circa 1800, makers mark obscured, possibly for Sené & Detalla (active 1795-1805) Rectangular form with rounded corners. The hinged lid with a painted enamel scene of a reclining cherurb against a blue guilloche enamel ground, edged with billets of turquoise enamel reserved with opaque white enamel. The sides and edges the same. The interior with a pierced and engraved hinged grill of a twin handled urn with flowers reserved with foliate scrolls. Marked with French mark for gold for 16th August 1819 to 9th May 1838, and obscured makers mark to base section. Length – 3.1 cm / 1.45 inches Weight – 15 grams / 0.48 ozt The partnership of Geneva goldsmiths Philippe Sené and Détalla must have existed before 1795 and was most likely disolved in 1805; in 1798 Sené had formed a partnership with his brother-in-law Henry Neisser, who had moved from Hanau to Geneva in 1783 and the company was renamed to Sené & Neisser in October 1805. Philippe Sené died in November 1807 and in 1808 Neisser registered his own master’s mark.