Inscription: On underside, scrawled with a fine point, in script: N° 22 / OZ ? 48. £ K L X . X
Marking:  leopard's head erased (London assay office mark);  Britannia (English quality mark for sterling);  CO a fleur-de-lis above in shaped punch (maker's mark for Augustin Courtauld);  L (London date letter for 1726–27);  an eagle's head couped in conforming punch;  very faint, but possibly a weak strike of .
Location of marks: – on underside of bases, ,  only, on underside of covers  on outer edge of foot rim of .268 only, on back (i.e. on side with the kingfisher crest)  on underside of cover of .268 only to the right of the lion's head, outside the frame of the flat area of the top
James Donahue (until 1967; his sale, Parke-Bernet Galleries, New York, November 2, 1967, no. 10); Irwin Untermyer (until 1968; to MMA)