From www.old-print.com; spots removed from background with Photoshop and sepia tone removed.
The tight sleeves of Lady Anne's dress suggest this portrait dates from the later 1830s or 1840.
Keywords: Grant, Anne Elizabeth Weld-Forester, Countess of Chesterfield, Weld-Forester family, Stanhope family, Countess, British, straight coiffure, neo-hurluberlu coiffure, chemise, trapezoidal neckline, bodice, vee décolletage, bertha, lace, long tight sleeves, cuffs, cull skirt, necklace, jeweled bodice ornament