POUSTEGUY - LEBEL (Robert). Léonard de Vinci ou La fin de l'humanité. Paris: Le Soleil noir, [1974]. - In-8, paperback, filled cover, in publisher's folio slipcase with window and compartment. New edition illustrated notably with reproductions of the 23 drypoints created by IPOUSTEGUY (1920-2006) for this essay by Robert Lebel on Leonardo da Vinci. Some foxing and minor defects. One of 120 first copies on Lana vellum, signed by the author at the justification, this being one of 100 numbered in Arabic numerals, in a slipcase specially designed by the Jean Duval workshop, containing the entire original suite of drypoints printed on Rives vellum, each plate numbered and signed by the artist.