18th century
Brown ink, transparent and opaque watercolor, and black, white and red chalks on brown paper
18th-19th centurySwiss
Red chalk on buff antique laid paper
18th centurySwissBrown and black ink, brown wash over black chalk on off-white wove paper, laid down
18th-19th centurySwissBrown ink, brown wash and graphite on cream laid paper, adhered along edges to a decorative mount
18th-19th centurySwissBlack ink and white gouache
18th-19th centurySwissGray ink, graphite, and gray wash on cream modern laid paper
18th-19th centurySwissBrown ink, gray and brown wash, and graphite on cream paper, borderline in black ink
18th-19th centurySwissBrown ink and brown wash on cream wove paper
18th-19th centurySwissBlack ink and gray wash
18th-19th centurySwiss
Black chalk on blue antique laid paper, laid down
18th centurySwissGraphite on white paper, border line in black ink
18th centurySwiss