From Wikimedia; the lower part of the left edge and, for the 15 March 2015 re-posting, the right two-thirds of the upper edge were fixed with Photoshop by gogm.
Olga Naryshinska's epaulettes have become flower petals in this middle-1830s Frost portrait.
Keywords: Frost, Olga Naryshkina, Olga Potokich Naryszkin, Olga Potocka, Potoka family, Naryszkin family, Countess, Russian, hurluberlu coiffure, bun, ferronière, off shoulder vee neckline, modesty piece, pleated bodice, epaulettes, puffed cap sleeves, vee waistline, full skirt, earrings, necklace, brooch, bracelets, gloves