Detail of the Pilasters of the Third Order in the Colosseum

Black and red chalk on cream antique laid paper

Brown ink, with touches of black chalk, on cream antique laid paper; verso: charcoal

Brown ink (brown wash added later?) on off-white antique laid paper

Brown ink and brown wash with local additions of yellow-brown wash on white antique laid paper, discolored to dark tan

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

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

Brown wash over black chalk heightened with white gouache on blue antique laid paper, mounted overall to cream antique laid paper, drum-mounted to off-white wove paper, squared in black chalk, framing lines in brown ink

Red chalk on cream antique laid paper

Brown ink and brown wash over black chalk on cream antique laid paper mounted overall to antique laid paper decorated mount

Black chalk on cream antique laid paper

Brown ink, brown wash and black chalk on blue (?) antique laid paper, pricked for transfer; verso: covered in black chalk

Black chalk on off-white antique laid paper; verso: red chalk and brown ink