a) Waiter and Customer (recto); b) Sketch of a Man and Woman (verso)Jean-Louis Forain

a) brush and black ink and graphite on wove paper b) brush and black ink on wove paperNational Gallery of Art · CC0 1.0 · WikidataLindy Arts

a) Waiter and Customer (recto); b) Sketch of a Man and Woman (verso)

a) brush and black ink and graphite on wove paper b) brush and black ink on wove paper