Marking:  Leopard's head crowned (London assay office mark);  Lion passant guardant (English quality mark for sterling), partial strike but completely legible;  a (London date letter for 1678–79);  EG in rectangle with cut corners.
Location of marks: Struck in center of underside
Honoria Thompson , Wattisford, Suffolk (until 1678) ; [ S. J. Shrubsole , November 8, 1971; sold to Irwin Untermyer ] ; Irwin Untermyer , New York (1971–73; bequeathed 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