Study for the Last Judgment in the Cupola of Santa Maria del Fiore, Florence

Brown ink and brown wash over graphite on off-white antique laid paper, squared in graphite

Black chalk on blue antique laid paper

Black chalk on off-white antique laid paper

Brown ink and brown wash over black and red chalk on off-white antique laid paper; verso: black chalk

Black and white chalk on blue antique laid paper; verso: red and black chalk

Red chalk on tan antique laid paper; verso: red chalk

Brown ink over black chalk, incised with stylus, on off-white antique laid paper; verso: covered with black chalk (for transfer)

Red chalk on cream antique laid paper, laid down overall to heavy gray wove paper

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

Brown wash and gray wash, black chalk and white gouache with touches of red chalk on blue antique laid paper, mounted overall to decorative mount.

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

Brown ink with gray wash on white antique laid paper; inscription in dark brown ink