Study of a Bearded Man Wearing the Negroli Helmet of Guidobaldo II della Rovere, Duke of Urbino
Italian, Venice · 1536–40
Charcoal or black chalk, highlighted with white chalk, on blue paper (faded to blue-gray)
Italian, Venice · 1536–40
Charcoal or black chalk, highlighted with white chalk, on blue paper (faded to blue-gray)