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

Brown ink and brown wash, partially squared in black chalk, on cream antique laid paper; verso: brown ink rubbed with red chalk

Brown ink over red chalk on cream antique laid paper; verso: brown ink and wash

Brown ink, brown wash over black chalk, traces of red chalk, heightened with white gouache, on cream antique laid paper

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

Brown ink, brown wash, black and red chalk, graphite and white gouache on blue antique laid paper, laid down overall to cream antique laid paper decorative mount

Metalpoint on blue-gray prepared antique laid paper; verso: red chalk

Brown ink and brown wash heightened with white gouache on blue antique laid paper, laid down overall to cream modern laid paper

Brown ink on cream antique laid paper

Brown ink with two colors of brown wash over black chalk, heightened with white gouache, on blue antique laid paper; verso: brown ink and black chalk, drum-mounted to a wove decorated paper mount

Brown ink on off-white antique laid paper; verso: black chalk

Red chalk on cream antique laid paper

Brown ink and red chalk and touches of brown wash on off-white antique laid paper, mounted at top to cream antique laid paper mount