I forget the model date for these but they're obviously what our M.1860 made by the Ames Mfg. Co. of Chicopee, Mass. was patterned after. I doubt that any exactly like this were imported because this was manufactured in the French armory at Chatellerault expressly for the French government, and since they were regulation at the time would've all gone to the French Navy. Any possible imports would likely have been copies made by swordmakers of Solingen in what would soon become Germany.