From eBay; spots removed throughout image with Photoshop and detail-enhanced by gogm.
This photo was probably taken around 1875, given the columnar skirt.
Keywords: Russell & Sons, Countess Georgina of Dudley, Moncreiffe family, Ward family, Countess, British, curly coiffure, high enclosing neckline, ruff, long close sleeves, cuffs, cuirasse bodice, buttons, belt, natural waistline, tight skirt, under-skirt, drapery, choker necklace