Design from "Pace" in the Palazzo Vecchio, Florence (Sala dell'Udienze)

Brown ink, brown wash over black chalk on buff antique laid paper

Brown ink over black chalk (?) on off-white antique laid paper

Brown ink heightened with white gouache on gray-blue antique laid paper

Brown ink and brown wash over black chalk on off-white antique laid paper

Brown ink, brown wash and graphite on cream antique laid paper

Brown ink and brown wash on cream antique laid paper, laid down on cream antique laid paper

Brown ink and brown wash on cream antique laid paper

Pastel on blue antique laid paper, with irregular surface glaze (gum arabic?), laid down

Brown ink over black and red chalks on off-white antique laid paper, laid down overall

Brown ink and gray-brown wash, white gouache, over graphite on tan antique laid paper

Black and white chalk on blue antique laid paper; verso: black , white and yellow chalk with smudges of red ochre (?)

Brown ink and brown wash heightened with white gouache on blue antique laid paper