From Lisby's photostream on flickr. Also posted to Princess Royal Victoria’s Albumette here.
This card is almost a colorization of this photo.
Keywords: 1861, Mayall, Princess Royal Victoria, Victoria von Großbritannien und Irland, Kronprinzessin Victoria, Crown Princess Victoria, Kaiserin Friedrich, Empress Friedrich, Victoria Adelaide Mary Louisa, Vicky, Princess Charlotte of Prussia, Charlotte von Preußen (1860–1919), Prinzessin Charlotte von Preußen, Victoria Elisabeth Augusta Charlotte von Preußen, Herzogin von Sachsen-Meiningen, Hanover family, Wettin family, Hohenzollern family, Princess, Empress, German, Prussia, straight coiffure, bonnet, bows, high enclosing neckline, long banana sleeves, cuffs, crinoline, pleated flounces