I removed the sepia tone and used Photoshop to correct blemishes around the image.
The traces of leg-o-mutton sleeves suggest this photo of Princess Royal Louise was taken in the 1890s.
Keywords: Stuart, Princess Royal Louise, Wettin family, Windsor family, Fife family, Princess, Duchess, British, curly coiffure, tiara, sweetheart neckline, modesty piece, leg-o-mutton sleeves, floral bodice ornament, order bows, choker necklace, necklace, draped necklace, brooch