undated
8.57 x 14.29 cm (3 3/8 x 5 5/8 in.)
Ink on paper
ChineseWatercolor on off-white paper
18th-19th centurySwissGraphite on cream wove papaer
19th centuryBritishBlack marker on paper
21st centuryGermanBlack chalk on cream antique laid paper; verso: gray and brown wash over graphite
18th centuryFrenchRed tempera on acetate
20th centuryAmericanGraphite on tan wove paper
19th-20th centuryAmericanBlack ink over graphite on off-white wove paper, printed with a grid
20th centuryAustrianGraphite on paper
20th centuryGermanWatercolor over graphite on white paper
19th centuryAmericanGray wash with graphite on off-white wove paper
19th-20th centuryAmericanGraphite on paper
20th centuryAmerican