CEREMONIALS. Rituum ecclesiasticorum siue sacrarum cerimoniarum. S.S. Romanae ecclesiae. libri tres [by Agostino Patrizio Piccolomini, edited by Cristoforo Marcello], Venice: Gregorius de Gregoriis, 21 November 1516. 2° (295 x 201mm). 3 woodcut illustrations in the text (a little staining at the beginning). 19th-century half vellum, gilt spine, label on spine (a little soiled). Provenance: Antonius de Lascaris (purchase inscription dated 3 April 1515 [sic] on title and another inscription on last page); Charles Walker (bookplate). FIRST EDITION. Censimento CNCE 11928; Adams C977; Sander 5662.