Photo, 1949 Christmas evening at Hans Hartung's with Yves Klein standing on the right, surrounded by Colette and Pierre Soulages
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Exhibition, 12 Apr 1957 - 8 May 1957 "Micro-Salon d'avril", Galerie Iris Clert, 1957 Galerie Iris Clert, Paris, France
Exhibition, 10 May 1957 - 25 May 1957 Yves Klein : Propositions monochromes Galerie Iris Clert, Paris, France
Document, 1957 Invitation card for the double exhibition "Yves Klein: Propositions monochromes" at the Iris Clert and Colette Allendy Galleries