Portico and Fountain, Basilica di S. Pietro, Rome, Italy

Graphite on off-white wove paper; verso: charcoal

Graphite on paper

Graphite on off-white wove paper

Oil on thin off-white wove, mounted to another sheet of the same paper

Pastel on buff wove paper

Black ink and brown conte crayon on cream wove paper

Graphite on graph paper

Charcoal on modern laid paper

Off-set pastel and watercolor on white wove paper

Graphite on paper

Graphite on pale blue wove paper

Graphite on cream wove paper