Study for Part of the Mosaic Frieze of the Siena Cathedral Pavement

Black and white chalk on blue (faded) paper; verso: black chalk

Red chalk heightened with white gouache on tan antique laid paper, laid down

Brown ink with touches of red chalk on cream antique laid paper, framing line in black ink, laid down overall on cream antique laid paper

Black and red chalk on off-white antique laid paper

Black chalk on buff antique laid paper

Brown watercolor on brown antique laid paper; verso: black chalk, white gouache and traces of green and red watercolor [watercolor probably Van Dyck brown applied with a reed pen]

Red chalk on tan antique laid paper

Brown ink, brown wash and graphite, incised, on cream antique laid paper inlaid into incised off-white antique laid album page; verso: brown ink, incised

Brown ink on cream antique laid paper mounted overall to cream antique laid paper

Black chalk on blue-brown antique laid paper, lined with off-white wove paper

Red chalk on cream antique laid paper

Brown ink, brown wash and black chalk (?) with white gouache on brown prepared paper