From Wikimedia.
Ekaterina Nikolaevna wears a thoroughly early post-Napoléonic curly coiffure and gigot sleeves.
Keywords: 1829, Lagrenée, Ekaterina Nikolaevna Raevskaya, Ekaterina Nikolaevna Orlova, Екатерина Николаевна Раевская, Екатерина Николаевна Орлова, Raevsky family, Orlov family, Countess, Графиня, Russian, curly coiffure, braided bun, fitted bodice, bateau neckline, gigot sleeves, tight cuffs, bracelets, buttons, wrap