Marking:  B (RB? monogram, partly effaced) (maker's mark);  Leopard's head crowned (London assay office mark);  Lion passant (English quality mark for sterling);  D in pointed shield (London date letter for 1581/2).
Location of marks: – on lower edge of lip band near handle
J. Pierpont Morgan ; J. P. Morgan Jr. (until 1947; sale, Parke-Bernet Galleries, New York, November 6, 1947, no. 411; sold for $1,250); [ S. J. Phillips Ltd. , London, until June 13, 1958; to Irwin Untermyer ] ; Irwin Untermyer (1958–68; 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