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

Colored marker and black pen on paper

Black and white chalk on blue antique laid paper; verso: graphite and touches of white chalk

Graphite with blue, yellow and brown crayon on paper

Graphite on thin buff wove paper

Watercolor and white gouache on blue wove paper

Black and red ink on off-white Japanese paper

Graphite on cream wove paper

Colored marker and black pen on paper

Ink on paper

Charcoal on cream laid paper

Brown ink, brown wash, and graphite on cream antique laid paper, laid down on mount

Black marker on paper