From Wikimedia; sepia tone removed.
Louise’s dress has a fur-trimmed over-skirtattached below the bust in neo-Empire style while her necklace appears to originate in her hair.
Keywords: 1911, Crown Princess Louise, Archduchess, Crown Princess, Habsburg family, Wettin family, straight coiffure, tiara, jeweled hair ornament, bateau neckline, fur, rosettes, Empire waistline, close over-skirt, fan