This image was acquired from
flickr. 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:
cartedevisite cartedevisite royalty grand duke grandduke prince germany monochrome Subject Hesse and by Rhine Louis Grand Duke of Date between and Photographer L. Haase ampamp Comp. Reference code P. Subject Hesse and by Rhine Louis Grand Duke of Date between and Photographer L. Haase amp Comp. Reference code P.