Ancient Aqueduct at the Porta Pio, Rome

Watercolor, white gouache, black ink, and graphite on cream antique laid paper, guidelines in graphite

Black chalk on off-white antique laid paper

Black and red chalk, and watercolor on cream antique laid paper, laid down, framing lines in black ink

Red chalk on cream antique laid paper, laid down on cream antique laid paper with blue paper strips adhered to face

Black ink on cream antique laid paper; verso: brown ink

Brown ink, gray wash, and white gouache on discolored blue antique laid paper, laid down on Japan paper

Graphite on off-white modern laid paper

Watercolor and gouache on white antique laid paper

Black and white chalk on blue antique laid paper

Black ink and brown wash over traces of graphite on cream antique laid paper, framing lines in brown ink, laid down on cream antique laid paper, laid down on tan laid paper, with blue antique laid paper borders adhered to face