[BALZAC (Jean-Louis GUEZ DE)]. The Prince. Paris: Toussainct du Bray, Pierre Roccolet, and Claude Sonnius, 1631. Small quarto, ivory vellum, red morocco title label on the spine (late 17th-century binding). 24 (of 28) + 399 + 55 + [XIV (of XVI)] pp., signed (if complete): á4, é4, í4, A-Z4, Aa-Zz4, AAa-DDd4, a-i4. FIRST EDITION of the “work that helped standardize the language and stands as one of the finest monuments of French prose.” From the library of the antiquarian bookseller and publisher Leo Samuele OLSCHKI in Florence, with bookplate. Volume rebound in an antique vellum binding. Missing pp. 25–28 (dedicatory poem and privilege) and the last blank leaf (I4) [pp. XV & XVI]; title page trimmed at the top and margins, as well as folio I1 (Table of Contents) with text loss due to poor binding; water stains on the last fifteen folios. Brunet, I, 632; Tchemerzine, I, 355 (which appears to describe a different edition with a different collation); Dictionnaire des Œuvres, V, 511.