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

Mixed media on paper

Watercolor and gouache on paper

Graphite on paper

Black ink and charcoal on cream laid paper

Black ink on off-white wove paper

Graphite on acrylic ground on white wove paper

Ink on translucent wove paper

Colored chalk on light-blue laid paper (recto and verso)

Graphite on off-white wove paper

Colored crayons on paper

Charcoal, white pencil, red watercolor (or ink), white gouache on off-white wove paper

Black ink on cream wove paper