Marking:  Britannia (English quality mark for sterling);  Lion's head erased (English quality mark for sterling);  Gothic O (London date letter, 1709–10);  CO in circle (maker's mark for Edward Cornock).
Location of marks: – on side of box; ,  on inside of cover
[ S. J. Shrubsole , until January 20, 1968; sold to Untermyer ] ; Irwin Untermyer (1968; 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