Marking:  Lion passant (English quality mark for sterling);  Lion's head (?) Britannia (English quality mark for sterling) (?) (too faint to read, but resembles more a Britannia);  London date letter for 1722–23;  EV with circle above and below, possibly (possibly maker's mark for Edward Vincent).
Location of marks: All struck before the perforations on bowl and handles were made – on underside  on each handle
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