Sam Middleton - Untitled, 1981 Offset lithograph on paper, signed in pencil, dated "81" and numbered 53/200. Slight paper defects on the upper right margin, otherwise in very good condition, 49 x 70 cm. Offset lithograph on paper, signed in pencil, dated "81" and numbered 53/200. Slight paper defects on the upper right margin, otherwise in very good condition, 49 x 70 cm.