Lot Essay
The sitter is probably Amable Emilie de Châtillon-Porcéan, duchesse de Châtillon (1761-1840) who was married in 1777 to Marie-François de Crussol, duc d'Uzès (1756-1843). They had two children: Adrien François Emmanuel de Crussol d'Uzès, duc de Crussol 1778-1837 and Alexandre Célestine Zoé Emmanuelle Thimarette de Crussol d'Uzès (1785-1866).
Another miniature by Mosnier, signed and dated 1784, of the Duchesse de Châtillon, in a very similar pose to the present portrait holding a quill in her right hand as she writes a letter, is in the Louvre (see P. Jean-Richard, op. cit., p. 265, no. 474, illustrated opposite and enlarged detail p. 14).
Another miniature by Mosnier, signed and dated 1784, of the Duchesse de Châtillon, in a very similar pose to the present portrait holding a quill in her right hand as she writes a letter, is in the Louvre (see P. Jean-Richard, op. cit., p. 265, no. 474, illustrated opposite and enlarged detail p. 14).