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).
attritbuted to Giuseppe Pozzi, after Giuseppe Palazzi, after Paolo Posi. The Seconda Macchina for the Chinea of 1758: The Porcelain Tower of Nanjing, 1758. National Gallery of Art, Washington.