Study for "The Birth of Venus"

Black chalk, heightened with white, on gray-green paper

Brown ink with touches of graphite (?) on cream antique laid paper

Black ink on white laid paper

Graphite and colored pencil on paper

Leather

Graphite on off-white wove paper

Paper

Watercolor, gouache, and graphite on cream wove paper, darkened

Charcoal on blue laid paper

Red chalk with traces of graphite, and guidelines in red chalk and graphite on cream antique laid paper, framing lines in red chalk, laid down on cream antique laid paper with blue antique laid paper border adhered to face

Colored and metallic marker on paper

Graphite on paper