Photo, 1960 Meeting for the signing of the "Déclaration Constitutive du Nouveau Réalisme" in Yves Klein's studio
Photo, October 27th 1960 Meeting for the signature of the “Déclaration Constitutive du Nouveau Réalisme” in Yves Klein’s studio
Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire