View of the Arch of Constantine, seen from the Colosseum

Brown ink and transparent and opaque watercolor over graphite on antique laid paper, framing line in brown ink

Opaque watercolor and graphite on parchment

Brown wash and ink on antique laid paper, framing line in gold; mount: graphite, brown wash, and gold

Graphite on parchment, autograph framing line in graphite

Black chalk, gray ink, and gray wash with brown ink on off-white antique laid paper

Black and white chalk on blue antique laid paper, mounted overall

Brown ink and touches of black chalk on cream antique laid paper, framing line in brown ink

Brown ink, gray wash on antique laid paper

Transparent and opaque watercolor over graphite on antique laid paper

Brown ink and gray wash over graphite on cream antique laid paper, with a framing line in brown ink, mounted at three corners

Brown ink, brown wash and gray wash mixed with white opaque watercolor over graphite on off-white antique laid paper, framing line in brown ink

Brown ink on parchment, framing line in brown ink