Detail of the Pilasters of the Third Order in the Colosseum

Red chalk on cream antique laid paper mounted at the edges to decorated mount

Red chalk on cream antique laid paper, attached to cream modern wove paper

Brown ink on tan antique laid paper

Brown ink and brown wash over black chalk on cream antique laid paper, mounted at four corners to blue-gray antique laid paper mounted with Sagredo tabs to off-white antique laid paper

Red chalk on cream antique laid paper

Brown ink over black chalk on white antique laid paper

Brown ink and brown wash on off-white antique laid paper; verso: brown ink

Brown ink, brown and gray wash and black chalk on cream antique laid paper, drum mounted to modern wove decorative mount

Brown ink, brown and gray wash and black chalk on cream antique laid paper

Black chalk , with touches of white gouache, on dark cream antique laid paper, mounted overall to cream antique laid paper hinged to decorative mount.

Metalpoint on off-white antique laid paper prepared with a pale pink ground

Brown ink and brown wash over black chalk underdrawing on cream antique laid paper