Johann Esaias Nilson, ‘Dessein d'une Fontaine orné avec les quatre Elements (Design for a Fountain Decorated with the Four Elements)’, ca. 1755/1760, National Gallery of Art, Washington, D.C.
plate: 26.7 x 19.9 cm (10 1/2 x 7 13/16 in.)  sheet: 40.3 x 24.7 cm (15 7/8 x 9 3/4 in.)