Hans HARTUNG (1904-1989) Lithograph 32, 1957 Colour lithograph on vellum Signed, annotated "Epreuve d'artiste Outside the edition of 100 copies Slightly yellowed and stained, oxidation on verso Colour lithograph on vellum, signed and annotated 'Epreuve d'artiste', outside the edition of 100 copies, slightly yellowed and stained, oxidation on reverse Subject : 49,5 x 31,5 CM ; Sheet : 65,5 x 50 CM - Image : 19,4 x 12,4 IN ; Sheet : 25,7 x 19,6 IN BIBLIOGRAPHY : Schmüking p.95