Eldest daughter (1851–1931) of Queen Isabella II of Spain, who was a prominent and popular figure during the reign of her brother, King Alfonso XII. Original 6.75 x 10 imperial cabinet photo of the princess in an elegant royal gown, by Fernando Debas of Madrid, signed at the bottom of the image in black ink, “Isabel de Borbon,” and dated November 12, 1902. In fine condition, with some mild foxing and soiling. RR Auction COA.