2 vol. in folio di 418 x 277 mm. Contemporary marbled cardboard binding, traces of paper label on the back of the first volume. Vol. 1: XVIII, 124 pp. + [II] XI [II] handcolored maps with reinforcement + 6 pp. of the “Catalogo dei Signori Associati”. 15 colored plates. Vol. II: [II] 62 pp. Engraved vignette on titlepages, headpieces and engraved initial on the first volume, text on two columns. Nice copy.