Zao Wou-Ki (1920-2013)Composition, 1967Colour lithograph. Proof on vellum, from the numbered edition without margins, on a filled vellum page, used as cover for the artist's exhibition catalogue, signed and dated in pencil and numbered by a foreign hand . Slight oxidation band on the left edge of the sheet. Small pieces of oxidized adhesive on the back ( fixing the sheet to the plexiglass). 30.5 x 22.5 cm. Between two sheets of Plexiglas. Bibliography :Ågerup 166. Provenance :Gaston Diehl (1912-1999), historian and art critic .