Photo, August 1956 Pierre Restany during the opening of the "Festival of avant-garde art", Cité Radieuse de Marseille
Exhibition, 17 Nov 1958 - 30 Nov 1958 Vitesse pure et stabilité monochrome by Yves Klein and Jean Tinguely Galerie Iris Clert, Paris, France
Document, 1958 Invitation card for the exhibition "Vitesse pure et stabilité monochrome" at galerie Iris Clert