This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Frederick Prince of HesseKassel Smith th century. Portrait of Frederick Prince of HesseKassel century mezzotint cm Institution Fine Arts Museums of San Francisco object history accession number famsf org Fine Arts Museums of San Francisco online other versions PDold Engravings in the California Palace of the Legion of Honor