Portrait of Josephine Crane Bradley as Slavia by Alphonsa Mucha in the National Gallery of Prague.

http://www.ngprague.cz/

https://en.wikipedia.org/wiki/National_Gallery_in_Prague

http://www.muchafoundation.org/gallery/browse-works/object_type/paintings/object/260

https://en.wikipedia.org/wiki/Alphonse_Mucha