Marie-Victoire Jaquotot (January 15, 1772-April 27, 1855) was a 19th-century French painter.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Marie_Victoire_Jaquotot
Casket for Louis XVIII’s snuffbox also contained painted miniatures to be fitted successively into the lid of the snuffbox. They were painted by Marie-Victoire Jaquotot. Details, description here:
Marie Victoire Jaquotot on Artnet: http://www.artnet.com/artists/marie-victoire-jaquotot/