Officer of the Imperial Guard Grenadier Horse's sword. In any case it did belong to an Heavy Cavalry Officer from Napoléon Army, dated from October 1811 / Сабля офицера конногренадер гвардии Наполеона.
A rapier, manufactured in the century by the technology of the old masters as a gift to one high-ranking person. Such exceptionally flexible rapiers were made in Toledo in the beginning of century. They were sold in gun shops and coiled.