From eBay; the image was heavily spotted, particularly the Duke’s coat. These spots were removed with Photoshop and the sepia tone was removed.
Louise’s bodice is overlaid by a diagonal panel. almost sash on an otherwise rather simple dress. There is almost no bustle behind.
Keywords: 1889, W. & D. Downey, Princess Louise, Princess, Hanover family, Sutherland family, British, coiffure, high enclosing neckline, long close sleeves, cuffs, bustle, close skirt, pin, earrings