Some sort of naval saber?

[blue lander]

I just won the auction for this. The seller didn't have much to say about it other than that it was old, the grip was horn, and that it was possibly a marine saber. It's only 65cm long. Does anybody have any idea what it might actually be? I guess it's about the right length for a boarding saber and the grip does appear to be horn. I assume it's European.