Design for the seal of the Accademia del Disegno, Florence, c.1565 (pen & brown ink...

A drawing of Natura with trumpets for arms, an undulating serpent on her right, a lion on her left, all in a lozenge, a hieroglyph alphabet of sculptors', goldsmiths' and painters' tools, a long autograph account extending overleaf, explaining the relative merits of the arts, and the reasoning behind his design, two computations below and at right angles to the text, Florence, ca. 1565. Manuscript on paper, written in brown ink in a cursive hand, in Italian, pen-drawing in brown ink; 27 lines on recto and 21 lines on verso, 335 x 222mm (worn at margins, fragment torn from lower left corner with part loss of first word of last 6 lines on recto, worm damage to upper edge affecting four words of title, some staining without loss of legibility).