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

Watercolor on buff card, mounted on card covered with fabric border

Watercolor over graphite on off-white wove paper; verso: graphite

Watercolor over graphite on off-white wove paper

Charcoal on paper

Black crayon and graphite on cream wove paper

Watercolor and gold paint over graphite on illustration board

Black ink on off-white wove paper

Graphite on translucent wove paper

Watercolor on off-white wove paper

Black ink on white wove paper

Black ink on thin cream wove paper

Graphite on paper