Chinese Jian sword, is it authentic?

[Kmaddock]

Hi
I just purchased the attached Chinese Jian sword.

I think it is original, nicely pitted and aged blade 44 cm long, shows evidence of lamination and delamination in spots.

Scabard has lots of evidence of lacquer that has come off, handle split all the way through. A few severe bashes and nicks on the blade.

Brass is smooth from rubbing where it should be and rough where there has not been much rubbing.

Has a nice weight and would work well as a weapon, good balance overall.

Hole drilled through the handle

The collection I got it from was assembled 30 years or so ago.
Is anyone any way familiar with these swords and what they are like.
Any idea of age would be appreciated.

Cheers

Ken