Landscape with the Ponte Molle (Pons Milvius) over the Tiber outside Rome

Black chalk on off-white antique laid paper prepared with gray wash, partial framing lines in black chalk and graphite

Black chalk on cream antique laid paper, with later brown ink and a framing line in brown ink; verso: red and black chalk, incised, framing line in black chalk

Brown ink on cream antique laid paper

Watercolor and brown, gray, and black ink on off-white antique laid paper

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

Gouache, watercolor over graphite on cream antique laid paper

Black chalk on parchment

Opaque and transparent watercolor on parchment adhered to panel; thick framing line in brown watercolor

Black chalk and gray wash on cream antique laid paper, partial framing line in black chalk

Brown ink and brown wash over black chalk with touches of graphite on off-white antique laid paper; framing lines in brown ink

Brown ink over black chalk on cream antique laid paper, framing line in brown ink

Black and red chalk counterproof, reworked in red chalk, graphite and black chalk (?) on cream antique laid paper