Baroness Decies may be wearing a short jacket like a Spencer with wide lapels that show her neckline and fichu with a sheath dress.
Keywords: 1785, Romney, Elizabeth FitzGibbon, Mrs. William Beresford, Baroness Decies, FitzGibbon family, Beresford family, Baroness, British, bouffant coiffure, ribboned headdress, chignon, fitted bodice, trapezoidal neckline, ruffle-edged fichu, vee décolletage, jacket, lapels, long close sleeves, belt, jeweled buckle, full skirt, sheath dress