We sold a similar inkwell in 2015, bearing a label of the famous "Le Petit Dunkerque" store, and have in store a similar inkwell bearing the label of Ravrio.
A similar inkwell is illustrated on page 54 of the book "Empire Furniture" by Chantal Bizot.
Condition Report: Restored in our workshop in February 2019. Complete with all its elements. Wear of use to the gilding.