Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Exhibition, 10 May 1957 - 25 May 1957 Yves Klein : Propositions monochromes Galerie Iris Clert, Paris, France
Photo, October 27th 1960 Meeting for the signature of the “Déclaration Constitutive du Nouveau Réalisme” in Yves Klein’s studio