Head of Donatello's "Saint John," Frari, Venice

Colored marker on paper

Graphite on paper

Black ink, wax, crayon, colored washes and fixative, on white wove paper

Brown ink and cream antique laid paper

Charcoal and beige chalk on buff wove paper

Colored marker on paper

Graphite with yellow and purple crayon on paper

Black crayon on paper

Black pencil on paper

Watercolor and black ink over traces of graphite on off-white antique laid paper, adhered to cream antique laid paper

Charcoal on cream laid paper

Graphite on paper