undated
16.19 x 20 cm (6 3/8 x 7 7/8 in.)
Ink on paper
ChineseGraphite on back of letter
20th centuryGermanBlack and red marker on paper
20th centuryGermanCharcoal on beige wove paper
20th centuryRed and white chalk on off-white wove paper prepared with ochre ground
19th centuryGermanGraphite on translucent vellum paper, blue ballpoint ink on the verso
20th centuryAmericanBlack ink on off-white wove paper
20th centuryGermanGraphite on paper
20th centuryGermanBlack ink, graphite, and yellow chalk on off-white wove paper; verso: black ink
20th centuryAmericanBrown ink, gray wash and white opaque watercolor over black chalk on cream antique laid paper; patch: greenish gray wash, black chalk, brown ink, and a combination of darker brown ink and opaque watercolor to conceal join
17th centuryDutchGraphite on off-white wove paper
19th centuryAmericanBlack crayon on off-white wove paper
20th centuryGerman