Portrait of the Duke and Duchess of Brabant

Graphite on white wove paper.

Pastel and black chalk on blue-speckled buff wove paper

Black and white chalk on blue antique laid paper

Watercolor

Graphite on white wove paper

Black crayon over graphite, squared in black crayon, on off-white antique laid paper

Graphite on tracing paper, darkened, laid down.

Black conté crayon on white laid paper

Graphite on beige laid paper, laid down to off-white wove paper (platemark on secondary support)

Black chalk on cream wove paper

Black crayon, squared in black crayon, on off-white antique laid paper

Iron-gall ink over graphite on off-white wove paper