1860–1869
Pierre Louis Pierson, 1860
Pierre Louis Pierson, 1862
Pierre Louis Pierson, 1857
Pierre Louis Pierson, 1895
![[Countess de Castiglione]](https://images.metmuseum.org/CRDImages/ph/original/DP205253.jpg)
![[Countess de Castiglione, from Série des Roses]](https://images.metmuseum.org/CRDImages/ph/original/DP205228.jpg)
![S.M. Empereur. [Napoleon III]](https://media.getty.edu/iiif/image/437797d2-e7c7-4b09-99bb-be135bc83f4e/full/843,/0/default.jpg)
