Giorgio Vasari. Study for the ceiling of the Cosimo il Vecchio Room, c. 1550s–60s. Pencil, pen and brown ink, set in frames with pencil with inscriptions DUCE COMITE FORTUNA and names of virtues, 31,5 x 44,4 cm.

Bibl. Image: Monbeig Goguel, 1972, n. 209; Allegri and Cecchi, 1980, p. 129-133.