Hans Haacke, ephemera 1970s

(1) Rare invitation card Hans Haacke at Howard Wise Gallery, New York, 1969, 18.5 x 18.5 cm, 4 pp. (2) Katalog Hans Haacke, May/June 1972. Addendum belonging to the Museum Haus Lange Krefeld catalogue series, 16 pp.

(3) Large folded poster, 84 x 60 cm, Frankfurter Kunstverein, 1976. (4) Announcement flyer for a lecture by Hans Haacke, 'Political Artist USA', at George Paton Gallery, University of Melbourne, September 1 (undated) 1977. (5) Large and small poster announcement for Haacke's show at the Van Abbemuseum Eindhoven, 1979. (total 6)