Portrait of King Philip IV

Brown and gray wash on cream antique laid paper

Brown wash on buff paper

Graphite on cream wove paper

Black chalk on brownish beige wove paper

Black and white chalk on gray prepared antique laid paper

Black chalk on cream wove paper

Black chalk on cream wove paper

Brown ink on cream modern laid paper

Brown ink on cream wove paper

Graphite

Black ink and gray wash on off-white antique laid paper