Marking:  Lion's head erased (English quality mark for sterling);  Britannia (English quality mark for sterling);  Roman A, (partial strike, legible) (London date letter for 1716–17);  MA, crowned, fleur-de-lis below, (partial strike, legible) (maker's mark for Samuel Margas).
Location of marks: – on underside of base, inside footring;  on underside of cover
[ S. J. Phillips Ltd. , until June 26, 1963; sold to Irwin Untermyer ] ; Irwin Untermyer (1963–68; to MMA)
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