Paris: Denise Rene, 1962. Mortensen, Richard. First. paperback. 35 pages with introduction by Victor Vasarely. Illustrated with 26 b/w images, and 3 color serigraphs plus a color lithographed cover. Slim square 8vo, staple-bound pictorial wrappers. Paris: Galerie Denise Rene, 1962. A near fine copy of this scarce catalogue. near fine.