Fresco Frieze and Ceiling, Apartment of Clement VII, Castel Sant'Angelo, Rome

Graphite on off-white wove paper

Gouache and graphite on white Fome-Cor

Black ink and white-gray gouache on grayish-white textured wove paper

Graphite, watercolor and gouache on off-white wove paper

Charcoal on cream laid paper

Graphite on paper

Black ink on off-white wove paper

Watercolor and white gouache on cardboard

Watercolor and graphite with cut out on paper

Graphite on tan wove paper

Black ink on off-white wove paper

Watercolor over graphite on heavy off-white wove paper