From eBay. Also posted to her Subalbum here.
Princess Beatrice wears small earrings and a bodice decorated with a short column of buttons for this photo.
Keywords: Princess Beatrice of Britain, Princess Beatrice of the United Kingdom, Beatrice Mary Victoria Feodore, Princess Henry of Battenberg, Welf family, Battenberg-Mountbatten family, Princess, British, curly coiffure, earrings, fitted bodice, high enclosing neckline, buttons, long close sleeves, bustle