INCUNABULA -- CICERO, Marcus Tullius. Tusculanae disputationes, with commentary. Venice: [Antonius de Strata, de Cremona] 5 December 1491. Median 2° (320 x 213mm). Roman type, opening 5-line ILLUMINATED INITIAL WITH WHITE-VINE DECORATION, one red initial, other spaces blank. (Without first blank leaf, some light staining, mostly marginal, a few small wormholes.) 20th-century vellum, gilt armorial on back cover, leather spine label.