From Wikimedia; sepia tone removed by gogm.
Dated 1850s images are rare making this one valuable. Marie wears mildly flared pagoda sleeves and a full unsupported skirt.
Keywords: 1855, Hanfstaengl, Queen Marie Friederike of Bavaria, Princess, Queen, Hohenzollern family, Wittelsbach family, German, straight coiffure, headdress, high neckline, collar, lace, fringe, elbow length flared over-sleeves, long full under-sleeves, cuffs, vee waistline, full skirt, pin