Decoration of a Vaulted Ceiling, Palazzo dei Penitenzieri, Rome

Watercolor and graphite, squared in graphite, on off-white illustration board

Ink on paper

Black ink on frosted mylar

Colored chalk on brown wove paper

Graphite on white wove translucent paper

Black, white and red chalks on gray paper

Black crayon on paper

Black ink on off-white illustration board

Pen and ink and brush on white wover paper

Graphite on off-white wove paper

Charcoal on cream laid paper

Graphite on paper