Previously published by Ziletti the preceding year in an ed. with 26 preliminary leaves; see Mortimer Dedication signed by Girolamo Porro and dated Nov. 20, 1581 The 40 double-page plates are tipped onto stubs at centerfold. They have descriptive text on rectos of left-hand leaves and a few right-hand versos Plates were etched by Giovanni Battista Pittoni and had been previously published by him with title: Praecipua aliquot Romanae antiquitatis ruinarum monimenta (Venice, 1561). Most plates are signed by Pittoni, and many are dated 1581 (altered from 1561). Plates 3, 12 and 27 have the additional initials CDM (or COM). Plate 8 is not signed at all, and differs from the rest in that it is engraved, not etched T.p. within architectural border, incorporating Ziletti's device at foot (comet). Head and tail pieces, initials Includes index Includes errata, recto of single leaf added after plates Mortimer, R. Italian 16th cent Sloan candidate Binding: old calf, rehinged. Spine tooled in gilt, author and title in gilt on label Centered on front pastedown is bookplate of Giovanni Muzio, etched by Giacomo Manzù