The original tiny image was enlarged by half and reposted on 7 March 2016. It cannot be further enlarged without pixelation.
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While the waistline, so useful to dating dresses, is obscured, the sleeves and general appearance suggest this photo of Mavra dates to the 1900s.
Keywords: Elizaveta Mavrikievna, Princess, Grand Princess, Wettin family, Romanov family, Russian, straight coiffure, chemisette, high enclosing neckline, jabot, jacket, three quarter length upper puffed sleeves, forward-back flared engageantes, lace, buttons, lapels, vest, close skirt, necklace, bracelets