Libro di abbacoCortona, Giovanni Battista1574.itaManuscript on paper (thick) of Giovanni Battista Cortona, Libro di Abbaco, probably an autograph manuscriptIn Italian.Watermark: anchor, var. Piccard, Ankerwasserzeichen?, V.102?.Script: Written by one hand in calligraphic Gothica Cursiva Libraria (Cancelleresca). The poem on f. A1r (art. 1) is in calligraphic Humanistica Cursiva Formata. A few titles in Capitalis.The decorative frames on ff. A1r and B1r are traced in brown ink. The upper half of the former contains a baroque cartouche in brown and red, containing a monogram apparently consisting of the letters A, K and M. Art. 2 opens with a flourished initial, art. 7 with a calligraphic initial, both in red.No binding.