Marking:  Leopard's head crowned (London assay office mark);  K (London date letter for 1805–06);  Lion passant (English quality mark for sterling);  King's head;  I.T. (maker's mark for John Troby).
Location of marks: All marks struck on underside of base.
Artist: James Cox (British, ca. 1723–1800)Date: 1766Medium: Case: gold with diamonds and paste jewels set in silver, pearls; Dial: while enamel; Movement: partly gilded brass and steel, wheel balance and cock of silver set with paste jewelsAccession: 1982.60.137On view in:Gallery 540