The Ponte di Augusto at Narni

Red chalk on off-white antique laid paper; verso: graphite

Red and white chalk

Black chalk on off-white antique laid paper

Brown crayon on oiled beige antique laid paper, mounted on cream laid paper

Black, red, and white chalk on discolored blue antique laid paper, laid down on off-white card, adhered to cream card, faced with blue laid paper

Black ink, brown wash, and watercolor on cream antique laid paper, adhered to a decorative paper edge

Red chalk with traces of 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

Watercolor and touches of black ink and brown wash over black chalk on off-white antique laid paper, framing lines in black ink, laid down on cream antique laid paper

Black ink and brown wash over black chalk on toned cream antique laid paper, laid down on laid paper, framing lines in brown ink

Red chalk on light tan antique laid paper