MASSON (André). Sur le vif. Paris : Galerie Louise Leiris, [1950]. - Album in-plano, 479 x 395 : (6 ff.), 12 plates, illustrated cover. Rare first edition, printed in only 37 copies, of this album featuring 17 original lithographs by André MASSON (1896-1987), including one on the cover and 12 hors texte. Introductory text by Tchouang Tseu. One of 25 numbered copies on japon à la forme, signed by the artist at the justification. Most of the lithographs have been signed on stone. A slight tear at the top of the back cover. Light staining to the cover and to one corner of the leaves, without affecting the text or the subjects.