Details from the Legend of the True Cross, after Piero della Francesca; verso: Sketch and color wheel with notes

Black crayon and ink on paper; graphite on paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Watercolor on buff wove paper

Black ink and charcoal on cream modern laid paper

Incised line and Aquarelle on white wove paper

Graphite on off-white wove paper

Watercolor on off-white wove paper

Iron filings and graphite on cream prepared wove paper

Watercolor on off-white wove paper

Watercolor and graphite on cream wove paper

Sepia ink and acrylic varnish on off-white wove paper mounted on aluminum