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).
Antoine-Jean Duclos after Jean-Michel Moreau. Frontispiece: Aidé de la sagesse, on se sauve de l'amour dans les bras de la raison, 1777. National Gallery of Art, Washington.