Leonardo da Vinci, 1452-1519. "Study of a woman's hands hands". Facsimile of the original, c. 1478 (Charcoal, metalpoint, white heightening, on pale pinkish-buff prepared paper, 215 x 150 mm. Windsor Castle, Royal Library, RL 12558 r, RCIN 912559). Reproduction (carbon print) after photography of Photographische Kunstanstalt Adolphe Braun (Adolphe Braun, 1812-1877, in collaboration with Charles Braun, 1815-1872, Henri Braun, 1837-1876, and Gaston Braun, 1845-1928). From the portfolio: Drawings by Leonardo da Vinci. Reproduced and published by Braun and Cie., Paris, Dornach (Alsace), London and New York, part I, 60 hand drawings on 40 plates, no. 6. Private collection.