Study for portrait of Derek Bok with " Perugino" triptych in background: seated figure facing right with chair

Watercolor, black ink and metallic paint over graphite on buff wove paper

Black crayon on paper

Mixed media on paper

Ink on paper

Graphite on off-white wove paper

Gouache on off-white laid paper

Colored crayon on brown wove paper

Graphite on paper

Graphite on white wove paper

Graphite on thin off-white wove paper

Graphite on paper