Replicas of Empress Elisabeth of Austria's tiara and court dress, by D'Elia Salon. Installation photos via "Mythos Sisi" article on Myheimat.de. D'Elia Salon exhibited 12 dresses at the Sisi Schloss Unterwittelsbach, all copies of gowns worn by the empress in portraits. Various portraits from the 1850s and '60s show the empress wearing this style of court dress: an 1863 painting by Franz Russ, at bottom (via Nata Volga on LiveInternet) and an undated portrait right above (via Gogmsite.net).
House dress belonging to Empress Maria Fyodorovna, Russia (?), c. 1890. Plush, cloth, silver and golden thread, silk. Collection of State Hermitage Museum.