Number 328 of 850 stunning "De Luxe" catalogues for the exhibition in gallery Ronny Van de Velde in Antwerpen 1991. A wooden box with top and bottom being a reproduction of Marcel Duchamps' "mental chessboard." Size 370 x 370 mm housed in a black slipcase. Fine condition. In the box is a list of the exhibited objects, a portfolio with reproductions of works by Marcel Duchamp including a copy of H. Vuibert, Les Anaglyphes géométrique, Librairie Vuibert, Paris, 1912 (with 3 D-glasses) and a reproduction of a page from The Blind Man No. 2 (P. T. B. ); a book with articles on Duchamp by André Breton and Arturo Schwarz inserted on a separate sheet, a reproduction of Le Grand Verre; an audiocassette of Duchamp speaking; a single photograph of "Marcel Duchamp at the Age of Eighty-Five" for the special Marcel Duchamp number. Each box is numbered inside the cover, which is a chessboard.