Courtyard of the Palazzo Vecchio, Florence

Graphite on pale blue-gray antique laid paper

Black ink over graphite on white wove paper

Graphite on brown (greatly discolored) wove paper

Graphite, watercolor and white gouache on beige paper

Graphite and brown ink on white antique laid paper

Black chalk on cream wove paper

Brown ink and black chalk on cream antique laid paper

Black and red chalk, white gouache on white wove paper prepared with brown wash; verso: black chalk

Black chalk on off-white wove paper

Graphite on off-white wove paper

Black ink, gray wash, traces of white chalk over black chalk on gray wove paper, with framing lines in graphite; verso: black chalk

Brown ink and gray wash over graphite on off-white antique laid paper