33. 33AR WALTER LEBLANC (1932-1986) Torsion Schématique n° 20 1963 Signed and titled lower right Countersigned, titled and dated 1963 on the back Spray paint on brown paper Getekend en getiteld rechtsonder Getekend, getiteld en gedateerd 1963 op de achterkant Verfspray op bruin papier 55 x 73 cm Provenance / Herkomst Acquired directly from the artist's family Private collection / Privécollectie, Brussels Bibliographie/ Bibliografie Walter Leblanc, Catalogue Raisonné Edition Ludion reproduced p.194 under number 486