1868
Pierre-Louis Pierson, 1855
Pierre-Louis Pierson, 1860
Pierre-Louis Pierson, 1895
Pierre-Louis Pierson, 1868
![[M.] Schneider](https://media.getty.edu/iiif/image/db2de8d5-9dd5-4ca0-88b3-a199332fc7da/full/843,/0/default.jpg)
![[Unknown Sitters]](https://images.metmuseum.org/CRDImages/ph/original/DP221438.jpg)
![[Countess de Castiglione, from Série des Roses]](https://images.metmuseum.org/CRDImages/ph/original/DP205221.jpg)
![[M.] de Royer](https://media.getty.edu/iiif/image/63314acf-a28b-4540-9570-a04784ec8d55/full/843,/0/default.jpg)
![[Countess de Castiglione]](https://images.metmuseum.org/CRDImages/ph/original/DP205246.jpg)
