Peter Klasen (German, born 1935) Poster for the Salon de Mai. 1990. Lithograph. [515 x 750]. Printed in color. Very fine proof on strong white vellum, from the avant la lettre edition, signed and numbered in pencil. Few short creases at the edges of the folio. Full margins. Attached: proof of the poster print, on thin white vellum. Lithography (Imp. Clot, Bramsen et Georges). [483 x 698]. Color print. Set. 2 p.