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).
Odilon Redon. Je t'adore a l'egal de la voute nocturne. O vase de tristesse, o grande taciturne (I adore you as I adore the vault of the night sky, O vessel of sadness, O tall silent woman), 1890. National Gallery of Art, Washington.