A SWISS OR GERMAN JEWELLED ENAMELLED GOLD SNUFF-BOX SET WITH AN ENAMEL MINIATURE

A SWISS OR GERMAN JEWELLED ENAMELLED GOLD SNUFF-BOX SET WITH AN ENAMEL MINIATURE
GENEVA OR HANAU, CIRCA 1780, WITH PRESTIGE MARKS
rectangular box, the cover, sides and base panels with translucent royal blue enamel on an engine-turned vertical coin-pattern ground, within polished gold frames, the cover centred with an oval diamond-bordered enamel portrait miniature of King Frederick I of Prussia (1657-1713), the frosted gold outer borders enamelled with translucent green leaves between opaque white enamel beads, the lower border with translucent red enamel berries at the corners
2 3/16 in. (55 mm.) wide