From eBay; spots removed with Photoshop and monocolor tint removed. Also posted to Countess of Flanders Marie von Hohenzollern’s Subalbum here.
Marie Luise's dress probably has a sequined sheer over-bodice and over-skirt and a sparkly Swiss belt in the middle.
Keywords: Alexandre, Maria Luise of Flanders, Princess, Countess, Hohenzollern family, Wettin family, wavy coiffure, necklace, vee neckline, long close sleeves, cuffs, bracelets, close skirt, coat, fur