[Pourtalès, Metternich, Grande Duchesse de Mecklemboury, and Unknown Sitter]
Object type: Cartes-de-visite
Department: Photographs
Artist: Countess Virginia Oldoini Verasis di Castiglione|Pierre-Louis Pierson|Marck
Artist bio: 1835–1899|French, 1822–1913| 
Artist role: Person in Photograph|Artist|Artist
Artist nationality:  |French| 
Date: before 1865
Medium: Albumen silver prints from glass negatives with applied color
Dimensions: Image: 3 3/8 in. × 2 in. (8.6 × 5.1 cm) (each)
Classification: Photographs
Credit line: Gilman Collection, Gift of The Howard Gilman Foundation, 2005
Accession year: 2005
Tags: Portraits|Women