View of the Arch of Constantine, seen from the Colosseum

Opaque and transparent watercolor on off-white antique laid paper, framing line in gray ink

Black chalk on parchment

Black ink, gray wash and white opaque watercolor on cream antique laid paper, prepared with light brown wash.

Brown ink and brown wash, with corrections in opaque white watercolor, on cream antique laid paper, discolored to beige (mounted)

Brown ink, brown and gray wash, pink and green transparent watercolor and white opaque watercolor over black chalk on cream antique laid paper, framing line in brown ink

Black, red, and white chalk, on light tan antique laid paper, partial framing lines in brown ink and black chalk

Black and red chalk on cream antique laid paper

Transparent and opaque watercolor, gray ink and graphite on parchment, mounted ata four corners

Black chalk on off-white antique laid paper; verso: black chalk counterproof, possibly worked up in black chalk

Black chalk and gray wash on off-white antique laid paper, framing line in brown ink; verso: black chalk

Gray ink and gray wash and graphite on cream antique laid paper possibly prepared with light brown wash, framing line in brown ink

Graphite and gray wash, incised in places, on off-white antique-laid paper