Mercury and Argus

Black and white chalk and white opaque watercolor on gray-blue paper, framing line in black chalk at upper edge; verso: trial strokes in colored pastel

Graphite on parchment

Brown and gray wash over graphite on cream antique laid paper, framing lines in brown ink

Black chalk on off-white antique laid paper, framing line in dark brown ink

Brown ink and blue-gray wash, squared in graphite, on off-white antique laid paper

Brown ink on off-white antique laid paper, mounted overall; framing line in brown ink

Brown ink and brown wash on cream antique laid paper, laid down at corners to cream antique laid paper

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

Brown ink, brown wash, graphite, and later [?] blue opaque watercolor on cream antique laid paper, mounted overall on heavy paper or card

Brown ink, brown wash and white opaque watercolor over black chalk on off-white antique laid paper, prepared with brown wash, traces of a framing line in black chalk

Black and red chalk on parchment

Graphite on parchment, autograph framing line in graphite