Marking:  Leopard's head (London assay office mark), erased;  i (London date letter for 1784–85);  Lion passant guardant (English quality mark for sterling);  I.S., pellet between, in intersecting circle (maker's mark for John Scofield, entered 1778).
Location of marks: – on bottom  on top of gallery
J. Pierpont Morgan , London and New York ; J. P. Morgan Jr. , New York ; Junius Spencer Morgan , New York (until 1950; 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