Ancient Aqueduct at the Porta Pio, Rome

Black and white chalk on tan antique laid paper, laid down on off-white antique laid paper, laid down on cream antique laid paper

Black chalk on beige laid paper

Pen with black ink and gray wash on cream antique laid paper, laid down on cream antique laid paper, framing lines in brown ink

Black and brown ink and gray wash over faint black crayon on off-white laid paper, laid down to pale green laid paper

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

Gouache on off-white wove paper, lined with Japan paper

Black chalk, brown ink, and brown wash on cream antique laid paper

Red chalk and red chalk wash with touches of black chalk on light tan antique laid paper, laid down on tan 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 off-white antique laid paper

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

Black and red chalk with touches of white chalk on cream antique laid paper, framing lines in black chalk