Photo, August 1956 Pierre Restany during the opening of the "Festival of avant-garde art", Cité Radieuse de Marseille
Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire