National Portrait Gallery, Smithsonian Institution (Edward Speelman, London); purchased 1970 by NPG. Note: The owners, according to Edward Speelman, Ltd., were “an English family now living in Switzerland. The picture has been in their possession for several generations, but have no record of how or when it entered their possession.” 2 June 1969 to Perry B. Cott, National Gallery of Art. Copy, NPG curatorial file.