PICABIA (Francis), Unique eunuque, Paris: Au sans pareil, collection Dada, [1920]. - In-12, paperback. Original edition prefaced by Tristan Tzara and illustrated with a "portrait of the author by himself". One of 1000 numbered copies on vergé bouffant. A very well preserved copy, despite slight wetness at the top of the cover. Also by the same author: - JÉSUS-CHRIST RASTAQUOUÈRE. [Paris]: Collection Dada, [1921]. In-8, paperback. Original edition illustrated with 3 full-page compositions by Georges Ribemont-Dessaignes. One of 1000 numbered copies on publisher's paper. A very well preserved copy, despite the spine and edges of the cover being sunned.