Document, 1957 Invitation card for the double exhibition "Yves Klein: Propositions monochromes" at the Iris Clert and Colette Allendy Galleries
Exhibition, 15 Jun 1959 - 30 Jun 1959 Bas-reliefs dans une forêt d'éponges Galerie Iris Clert, Paris, France
Exhibition, 14 Jan 1961 - 26 Feb 1961 Yves Klein Monochrome und Feuer Museum Haus Lange, Krefeld, Germany