Marking:  Roman letter A (London date letter for 1716–17);  Fr, a mullet below (maker's mark for James Fraillon);  Lion's head erased (London mark);  Britannia, seated (English silver standard mark).
Location of marks: On outside of base casket and inside of cover
Lt. Col. H.B.L. Hughes (until 1929; sale, Sotheby's, London, June 13, 1929, no. 89) ; William Randolph Hearst , St. Donat's Castle, Wales (until 1937; sale, Sotheby's, London , November 17, 1937, no. 58); Irwin Untermyer (until 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