Title: L'Allongée
Object type: Photograph
Date: 1860s
Artist:  Pierre-Louis Pierson 
Artist bio: French, 1822–1913
Artist nationality: French
Artist role: Artist
Medium: Albumen silver print from glass negative
Dimensions: 7.5 x 10.6 cm (2 15/16 x 4 3/16 in.) oval
Classification: Photographs
Credit line: David Hunter McAlpin Fund, 1975
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY