[Frédéric CHOPIN]. Photographic portrait of Countess Delphine POTOCKA; Nadar photograph, albumen paper mounted on card with Nadar's mark, 16.5 x 11 cm (photo a little faded). Photographic reproduction of a portrait of Countess Delfina Potocka (10807-1877), a friend of Chopin's whom she watched over on his deathbed.