BIBESCO (Princesse). Le Perroquet vert, Paris, Éditions Jeanne Walter, 1929. In-4° paperback, cardboard chemise, lacs. Color lithographs by Jean HUGO. 330 copies, this one (no. XXI), on Arches vellum, one of 25 hors commerce. Long letter from the author on the title page and verso corresponding to pages 214-215. Copy enriched with a L.A.S. from the author dated February 7, 1930, (4 pp.): "[...] By accepting this modest contribution to your charitable enterprise, you are obliging an author who often wonders about the vanity of literary things [...]".