Black, red and white chalk on blue wove paper, discolored to brown
19th centuryFrenchGraphite on paper
20th centuryGermanGraphite
19th centurySwissBlack ink on cream wove paper
20th centuryAmericanCharcoal on beige laid paper
20th centuryAmericanGraphite on off-white wove paper mounted to off-white cardboard
19th-20th centuryAmericanAcrylic paint and wash on off-white wove paper
20th centuryAmericanGraphite on off-white wove paper
20th centuryGermanBlack and green marker on paper
20th centuryGermanGraphite on envelope
20th centuryGermanBlack marker on paper
20th centuryGerman