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).
Giovanni da Cavino. Balduino del Monte, died 1556, Brother of Pope Julius III, Count of Monte Sansovino 1550 [obverse], mid 16th century. National Gallery of Art, Washington.