Partial View of the Colosseum (recto); Sketch of the Temple of Minerva Medicea (verso)Johann Christian Klengel · late 18th–early 19th century

Brush and gray wash, over black chalk (recto); graphite, brush and blue wash (verso)The Metropolitan Museum of Art · CC0 1.0Lindy Arts

Partial View of the Colosseum (recto); Sketch of the Temple of Minerva Medicea (verso)

Johann Christian Klengel · late 18th–early 19th century

Brush and gray wash, over black chalk (recto); graphite, brush and blue wash (verso)