19th-20th century
Watercolor and graphite on card stock
20th centuryAmerican
Watercolor on off-white wove paper
20th centuryAmericanCharcoal on beige wove paper
19th centuryFrench
Black ink on orange wove paper with postage stamp
20th centuryAmericanBlack and red chalk counterproof, reworked in red chalk, graphite and black chalk (?) on cream antique laid paper
17th centuryDutchBlack marker on paper
20th centuryGermanSilverpoint
20th centuryGermanRed chalk on blue laid paper
19th-20th centuryAmericanGraphite on paper
20th centuryGerman
Black ink and graphite on tan wove paper; verso: black ink
20th centuryAmericanBlack chalk on cream antique laid paper
18th centuryItalian