...Staircase in Capri ( estimate $1.8–2.5 million[2016]), inspired by the artist’s travels to the Mediterranean island in the summer of 1878. The painting was first owned by Auguste Hirsch, a French artist with whom Sargent shared a studio in Paris in the late 1870s. It was later acquired by Pamela Harriman, who served as the United States Ambassador to France in the mid-1990s. [http://arthistorynewsreport.blogspot.nl/2016/05/sothebys-american-art-18-may-2016.html]