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. [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; ff. I, 40; mm. 170_228. Original binding in parchment with golden decorations. Beautiful copy of Francesco Piccolomini's Instituzione; the dedication letter is copied by a different hand, possibly the author's (cf. Siena, BC, G.VII.36). The…