19th-20th century
Black and white chalk on blue (faded) paper; verso: black chalk
16th centuryItalianColored marker and black pen on paper
20th centuryGermanWatercolor on off-white wove paper
20th centuryAmericanGraphite on cream wove paper
20th centuryAmericanGraphite on paper
20th centuryGermanWatercolor and white gouache over graphite on off-white wove paper
19th centuryAmericanBlack and white chalk on discolored blue antique laid paper, squared in black chalk
18th centuryFrenchBlack chalk on pale gray modern laid paper
19th centuryFrenchWatercolor over graphite on cream card
20th centuryAmericanWatercolor and gouache over graphite on green paper
19th centuryAmericanColored marker on paper
20th centuryGermanCrayon on paper
20th centuryGerman?