A very unusual vinaigrette, of circular form and engraved with a honeycomb pattern to the whole.  The hinged lid is further decorated with a fly motif inset with blue sapphires to the body and seed pearl wings.  Opens to a gilt interior and grille, with a suspension loop. Boar guarantee mark struck twice to inner rim with an indistinct maker's mark. 
Diameter 1.7cm, weight 5.9 gm
Hinged lid and hinged grille in good working order and close flush.
£395