The room is characterized by the splendid vault designed around 1764 by Petitot and decorated by Benigno Bossi with refined gilded plaster. The echoes of the imperial splendor experienced by Maria Luigia at the court of Napoleon are revived in this room through a number of precious objects in the showcases, such as the centerpiece in crystal and vermeil created for the imperial couple by Thomire and Odiot