License, verbatimPD
The National Gallery of Art: open access image with no usage restrictions under the NGA's open access policy (openaccess=1 in the Gallery's published_images dataset).
Guillaume-Benjamin-Amant Duchenne (de Boulogne) and Adrien Tournachon. Weeping, tears of pity (left); Relaxed face (right), 1854-1856, printed 1862. National Gallery of Art, Washington.