Detail of Immaculate Conception, after Piero di Cosimo

Charcoal on modern laid paper

Transparent and opaque watercolor and charcoal on gray wove paper

Brown wash with scraping on white wove paper

Graphite on white paper

Black crayon on buff wove paper

Watercolor and white gouache over graphite on buff card

Watercolor, gouache, acrylic ink & gold leaf on off-white Arches 100% rag paper

Black and gray wash and graphite on tan wove paper; verso: gray wash

Graphite sketches on brown paper

Black ink, charcoal, watercolor, and watercolor pencil on cream laid paper, edges taped

Black ink and gouache on heavy off-white wove paper

Charcoal and purple and white chalk on brown wove paper