The 1903 date is based on the caption "Durbar robed."
Spots removed from background with Photoshop and detail-enhanced by gogm.
Sleeve detail was important - Lady Curzon's dress in this 1903 photo has bare shoulder sleeves plus diaphanous engageantes. Her dress has a swirled bodice like some worn by by Princess-Queen Mary.
Keywords: 1903, Lady Curzon, Baroness, British, straight coiffure, tiara, square neckline, elbow length bare shoulder sleeves, engageantes, shallow vee waistline, order bows, necklace, brooch, gloves