Studio of the artist (1881-1973). [Suzanne Feigl, Galerie d'Art Moderne, Basel]; Baron Yves Lambert (1928-1987), Brussels, Belgium; [sale, Christie's New York, May 12, 1987, Lot 15]; Private Collection; [Acquavella Contemporary Art, New York]; sold in 2004 to Janice and Henri Lazarof, Los Angeles; given in 2005 to LACMA.