Ancient Aqueduct at the Porta Pio, Rome

White gouache over black gouache on light tan antique laid paper

Black chalk on cream antique laid paper

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

Gray and black-ink wash and white opaque watercolor with traces of black chalk on blue laid paper, adhered to cream card

Black crayon counterproof on cream antique laid paper

Black chalk with touches of white chalk on blue antique laid paper

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

Black chalk on cream antique laid paper

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

Red chalk on oiled antique laid paper

Red chalk over counterproof (?) on cream antique laid paper, framing line in brown ink, laid down on a decorated mount