met-photos:Le liseur, Pierre-Louis Pierson, 1860s, Metropolitan Museum of Art: PhotographyDavid Hunt
met-photos:Le liseur, Pierre-Louis Pierson, 1860s, Metropolitan Museum of Art: PhotographyDavid Hunter McAlpin Fund, 1975Size: 8.6 x 12.1 cm. (3 3/8 x 4 ¾ in.)Medium: Albumen silver print from glass negativehttps://www.metmuseum.org/art/collection/search/261411 -- source link