Robert Rauschenberg, Strawboss, 1970 Posted on: April 15th, 2010 Robert Rauschenberg, “Strawboss,” 27/50, 1970, lithograph, 30 x 22″, Permanent Collection Robert Rauschenberg, “Strawboss,” 27/50, 1970, lithograph, 30 x 22″, Permanent Collection