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).
Sir Peter Paul Rubens over Anonymous Italian after Parmigianino after Raphael. The Miracle of the Lame Man Healed by Saint Peter and Saint John, c. 1606/1608. National Gallery of Art, Washington.