CICERO, MARCUS TULLIUS. De philosophia. [8], 251, [5]; 214, [2] leaves, including blanks f8 and I4-6 in first volume, and penultimate colophon leaf and final leaf with Aldine device in both. 2 volumes. 8vo, early 19th-century 1/4 roan gilt, marbled boards, paper partly worn through on covers; Volume 1 title reinforced along fore edge on verso, few insignificant marginal dampstains; blue edges. Unidentified 19th-century armorial bookplates with motto 'Fuimus' and monogram HKB. (Venice: House of Aldus and Andrea of Asola, May-August 1523)