A 19th century French silver-gilt and enamel vinaigrette

A 19th century French silver-gilt and enamel vinaigrette,

maker's mark of FL in a lozenge,

lorgnette case form, one side with enamelled foliate decoration, the other engraved with a building and ship on the horizon, with a ring attachment, the clip reveals a rectangular vinaigrette, with a sprung-hinged cover and pierced grille, length closed 5.4cm, approx. weight 0.3oz.