To me it looks authentic from what little I can see. I would need much better/closer pix of the reverse inscription, the maker's mark, the fitting's detail and the scabbard etch etc. These are my cup of tea. I know a substanial bit about them.
It is most likely one I would be interested in. You can't ask about price on this forum or make noises about selling as just a registered user, you have to be something like a gold member or something. Anyway, email me here:
and we can talk. My name it mitch.