Hi Manolo,
within my ignorance:
The date looks like 1846.
The hilt looks like that of the 1822 cavalry sabre, isn't that so?
I am sure the best solution for these riddles with French swords is Jean Bick
jeanbck@hotmail.com
He is a nice guy; has just identified a sword for me, which was a bit tricky.
But let me tell you; tricky are also these shady overdimensioned pictures you post
Con mucho cariņo.
Fernando