Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Exhibition, 14 May 1957 - 23 May 1957 Yves Klein : Propositions monochromes Galerie Colette Allendy, Paris, France
Artwork, 1958 The Specialization of Sensibility in the Raw Material State of Stabilized Sensibility - exhibition of "The Void"