From Miss Mertens' photostream on flickr; sepia tone removed by gogm.
The lack of pronounced waistline or bodice over hang of Elisabeth's dress suggests this photo was taken around 1910.
Keywords: Queen Elisabeth of Belgium, Wittelsbach family, Wettin family, Princess, Queen, bouffant coiffure, trapezoidal neckline, bows, elbow length flared sleeves, natural waistline, tight skirt, train