Michel Cassé, Paris, 1964. 8 loose folded sheets, in black card folder printed in silver, inside blue canvas. Folder in canvas coated slipcase. Slipcase faded. 4to (26 x 26 cm). Text by Jean-Jacques Lévêque followed by 10 signed lithographs by René Bertholo, Peter Klasen, Bernard Rancillac, Hervé Télémaque, Jan Voss (2 each). Titled folders for Bertholo, Rancillac and Voss. Edition of 99 numbered copies, this is No. 33. Signed by the five artists and R. Levêque in the colophon.