undated
20 x 11.75 cm (7 7/8 x 4 5/8 in.)
Black marker on paper
20th centuryGermanBlack marker and graphite on graph paper
20th centuryAmericanBrown ink over graphite on cream laid paper
18th centuryGermanColored marker on paper
20th centuryGermanGraphite on parchment
18th centuryDutchCharcoal on off-white laid paper
19th-20th centuryAmericanGraphite on paper
20th centuryAmericanOpaque watercolor on off-white paper
20th centuryCanadianBlue marker on translucent film and paper
20th centuryGermanGraphite on tan wove paper; verso: graphite
19th-20th centurySpanishPastel
20th centuryFrenchWatercolor on off-white wove paper
19th-20th centuryAmerican