19th-20th century
Ink
18th-19th centuryChineseBlack marker on paper
20th centuryGermanGraphite on green wove paper
20th centuryAmericanBlack ink and watercolor on ivory wove paper
20th centuryAmericanCharcoal and black ink on cream laid paper
20th centuryWatercolor over graphite on heavy white wove paper
20th centuryAmericanBlue and black ink on paper
20th centuryGermanColored marker on paper
20th centuryGermanGray wash, black and brown ink, over traces of black chalk on off-white paper
19th centuryFrenchBrown ink and brown wash, traces of black chalk, heightened with white gouache, on blue antique laid paper
16th centuryItalianBlack ink, white gouache, and graphite on white wove paper
19th centuryBritishBlue crayon on paper
20th centuryGerman?