1860–1869
Pierre-Louis Pierson, 1893
Pierre-Louis Pierson, 1895
Pierre-Louis Pierson, 1861
Pierre-Louis Pierson, 1860
Pierre-Louis Pierson, 1875
![[Countess de Castiglione]](https://images.metmuseum.org/CRDImages/ph/original/DP205242.jpg)
![[La Comtesse in Ermine Cape]](https://images.metmuseum.org/CRDImages/ph/original/DP235183.jpg)
![[Countess de Castiglione]](https://images.metmuseum.org/CRDImages/ph/original/DP158973.jpg)
