The Madonna and Child Adored by Saint Petronius and Saint Francis

Black and red marker on paper

Graphite on paper

Graphite on off-white wove paper

Pigment, paraffin, transparent paper

Graphite on thin off-white wove paper

Black marker, color photocopy, and adhesive on paper

Graphite and white chalk on brown wove paper, darkened

Brown ink, brown wash, white gouache on cream antique laid paper

Black ink and charcoal on buff wove paper

Charcoal and colored pencil on cream laid paper

graphite, colored crayon, watercolor, green and brown ballpoint inks, and brown fiber-tip ink on off-white wove paper

Graphite on paper