From Miss Mertens' photostream on flickr; sepia tone removed by gogm.
Puffy upper sleeves suggest this photo of the Duchess Gwendolen of Norfolk was taken at about the turn of the (last) century. This is a close up version of the last image.
Keywords: 1907, Duchess Gwendolen of Norfolk, Gwendolen Mary Fitzalan-Howard, Duchess of Norfolk, Constable-Maxwell family, Fitzalan-Howard family, Duchess, British, curly coiffure, feathered hat, scarf, choker necklace, necklace, blouse, high neckline, three quarter length under-sleeves, cuffs, jacket, three quarter length upper puffed over-sleeves, floral bodice ornament, bracelets, A-line skirt