Campidoglio with the Equestrian Statue of Marcus Aurelius

Red chalk on paper; verso: red and black chalk

Red chalk on cream antique laid paper, laid down on brown card

Brown wash and graphite on pale gray modern laid paper

Red and black chalk on light tan antique laid paper

Black chalk on off-white antique laid paper

Black chalk and touches of white chalk on light tan antique laid paper, framing lines in black chalk

Red chalk on cream antique laid paper

Watercolor with touches of graphite on cream paper, framing lines in black and brown ink

Watercolor and black ink over traces of graphite on off-white antique laid paper, adhered to cream antique laid paper

Black and white chalk on blue antique laid paper

Watercolor on white antique laid paper

Watercolor and black ink over traces of graphite on off-white antique laid paper, adhered to cream antique laid paper