National Portrait Gallery, Smithsonian Institution (Barbara Guggenheim Associates, New York, 1986). (M.R. Schweitzer, New York, 1991); purchased 1991 NPG Note: According to NPG London, it was sold at Christies, London, March 2-3, 1978 lot 103, without provenance. Letter from Sarah Wimbush to Robert G. Stewart, 4 August 1986. According to Kurt Delbanco, “This painting was sold in a London auction in July 1925 and again in New York in 1942 (collection Rosenbach).”
