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).
Federico Cocciola. Jean Parisot de la Vallette, 1494-1568, Grand Master of Malta 1557-1568 [obverse], c. 1565/1566. National Gallery of Art, Washington.