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).
Albert Besnard. Pierre Copies the Virgin from the Portal of the Church of Marly (Pierre Copie la Vierge du Portail de L'Église de Marly), 1885. National Gallery of Art, Washington.