Sotheby's Auction Catalog The Helmut Dude Collection, Sale No. AM0888A held in Amsterdam on 28 May 2003

Includes the work of Jean Tinguely, Victor Vasarely, Yves Klein, Pol Bury, Otto Piene, Heinz Mack, et al. Lots 1-180. 4to. 106 pp. w. many illustrations.

Catalogue in excellent, clean condition