19th-20th century
Colored marker on paper
Gray ink and gray wash over graphite on brown antique laid paper
17th-18th centuryGermanGraphite on cream paper
19th centuryBritishColored pencil on cream wove paper
20th centuryGermanBlack ink and watercolor over graphite on white wove paper, mounted to off-white card
20th centuryGermanColored marker, opaque watercolor, b/w photocopy, and adhesive on paper
20th centuryGermanGraphite on cream modern laid paper
19th centuryFrenchColored marker on paper
20th centuryGermanInk on paper
ChineseGraphite on off-white wove paper
18th centuryBritishWatercolor over graphite on off-white wove paper
20th centuryAmericanBlack crayon on cream laid paper
20th centuryAmerican