Paper; ff. [2], 201, [2]; mm. 200_265; original binding in parchment. Beautiful copy written in an elegant cursive hand (early 17th c.). The Institutione at ff. 3r-38v; the Compendio at ff. 39r-196v.
Paper; ff. [7: 1-3, 5-7 blank], p. 212 (167-212 blank), f. [1]; mm. 280_210. Beautiful copy (cf. Vatican City, BAV, Chig. E.V.172). Original binding in parchment. Title on cover: 'COMPENDIO DELLA FILOSOFIA MORALE E CIVILE / del Signor Francesco…
Paper; ff. [1], 191 [171-191 blank]; old binding in vellum; possibly autograph by Francesco Piccolomini (at any rate different from all the other extant copies which are clearly calligraphic ones realised by scribes).
Paper; pp. 248 + I f. [blank]; mm. 268_200; old binding in parchment; beautiful copy of the text (cf. Vatican mss.). The Compendio follows here the Institutione del principe as if they were the two parts of a same work, dedicated to the Grand Duke…