ALTMANN (Roberto). Ephemerides. 9 audio-visual ephemerides accompanied by 5 "impressions" and a frontispiece engraved on copper. [Paris]: Roberto Altmann, [1966]. - In-8, 251 x 165: (18 ff. 2 first and 2 last blanks), printed cover. In sheets, filled cover, folder and publisher' s case . Very rare original edition composed and illustrated by the Cuban artist Roberto ALTMANN (born in 1942), decorated with 6 original etchings, 2 of which are in colour. It is the fourth book in the "Avant-garde " collection . Edition strictly limited to 14 copies on Arches vellum, numbered and signed by the author.