6 vols. folio, pp. xii, [iv], xlviii, col. 1312 + 2 plates (additional engraved title-page + engraved portrait); pp. [iv], col. 1606, [i]; [iv], col.1596, [i]; [iv], col.1344 + 10 numismatic plates; [iv], col.1488; [iv], col.1736. Each vol. with its own half-title and title-page. Faint dampstaining at head to vols. III, V and VI, a few spots of light foxing. Contemporary vellum, gilt spines with tan title labels. Small wormholes to spines, occasional marks to boards, vol. VI repaired at upper joint. Very good overall. Small paper label of the publisher Leo S. Olschki (1861-1940) to front pastedown.