Augusta Viktoria Post card
From eBay.
This may be a variation of the portrait shown in the last image where the artist, among other things, subtracted a few years from Auguste Victoria's apparent age.
Keywords: Empress Auguste Victoria, Princess, Empress, Schleswig-Holstein family, Hohenzollern family, German, straight coiffure, tiara, off shoulder vee neckline, bertha, lace, epaulettes, engageantes, necklace, earrings, boa, feathers, fan