Graf von Cobenzl, the Austrian Ambassador

Watercolor, gouache, and gold paint over charcoal on beige wove paper

Brown wash over graphite on cream antique laid paper

Distemper on wallpaper

Graphite and white gouache on white wove paper

Graphite and black crayon on off-white antique laid paper; verso: black crayon

Black ink, red chalk, gray wash, and white gouache over black chalk, on blue antique laid paper; verso: black ink and gray wash

Graphite and brown wash with touches of white chalk on oiled antique laid paper

Gray ink and graphite, squared in white chalk

Distemper on wallpaper

Watercolor on white antique laid paper, border ruled in black ink

Graphite on pale gray modern laid paper, slightly discolored

Blue-black ink on thin light brown laid tracing paper.