Victor PROUVÉ Jean Prouvé, on the eve of his departure for the regiment - 1923 Black stone drawing on paper Signed and dated upper right, titled lower left 48 × 39 cm Provenance : Artist's family, then by descent A black stone drawing on paper "Jean Prouvé, la veille de son départ pour le régiment" by Victor Prouvé, signed and dated upper right, titled lower left - 1923 18.90 × 15.35 in. Victor PROUVÉ