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).
Jean-Louis Forain. Ceux de la premiere heure. "Sire! ou en somme-nous de "la guerre fraiche et joyeuse"? ...", c. 1914/1919. National Gallery of Art, Washington.