Physical Dimensions: overall: 15.8 x 20.9 cm (6 1/4 x 8 1/4 in.)
Provenance: (sale, London, Christie's, 12 December 1967, lot 116); (Thos. Agnew & Sons. Ltd., London); purchased by William B. O'Neal, Charlottesville, VA, 1968-1994; gift to NGA, 1995.