[Pourtalès, Metternich, Grande Duchesse de Mecklemboury, and Unknown Sitter]
Pierre-Louis Pierson · before 1865
![[Pourtalès, Metternich, Grande Duchesse de Mecklemboury, and Unknown Sitter]](https://images.metmuseum.org/CRDImages/ph/web-large/DP221434.jpg)
Albumen silver prints from glass negatives with applied color
Pierre-Louis Pierson · before 1865
![[Pourtalès, Metternich, Grande Duchesse de Mecklemboury, and Unknown Sitter]](https://images.metmuseum.org/CRDImages/ph/web-large/DP221434.jpg)
Albumen silver prints from glass negatives with applied color