Open No. 81: In Blue with Charcoal Line

Robert Motherwell (1915-1991) Open No. 81: In Blue with Charcoal Line signed with the artist's initials and dated 'RM 69' (upper right); signed again, titled and dated again 'R. Motherwell Summer, 1969 "OPEN #81"' (on the reverse) acrylic and charcoal on canvas 72 1/8 x 42 in. (183.1 x 106.6 cm.) Painted in 1969-1972.