Eugène Pirou (1841-1909) Portrait of a woman, 1893. Matte aristotype, mounted on photographer's cardboard. Credit and date of the photograph in red at the bottom right of the print. 28.8 x 22 cm Eugène Pirou (1841-1909 ) Portrait of a woman, 1893 . Aristotype, mounted on photographer's cardboard. Credit of photographer and date in red at the bottom right of the print. 28.8 x 22 cm