Photo, 1959 Yves Klein at the opening of his exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Artwork, 1959 Receipt to Peppino Palazzoli for transfert of a Zone of Immaterial Pictorial Sensibility. Series n°1, Zone n°01
Document, 1959 Yves Klein, Text following the exhibition Motion in Vision / Vision in Motion, Hessenhuis