Document, 1957

Poster of the exhibition "Yves Propositions Monochromes", galerie Schmela, Düsseldorf

Document, 1957

Exhibition invitation card "Yves Monochrome Proposals" at Schmela Gallery

Photo, mai 1957

Yves Klein hanging his works for the exhibition "Yves Propositions monochromes", Galerie Schmela

Photo, 31 mai 1957

Alfred Schmela and Yves Klein during the opening of the exhibition "Yves Propositions Monochromes", Schmela Gallery, Düsseldorf, 1957