antique bronze spear head -sword

[francantolin]

Hello everybody,

I got this long spear head,
maybe a short sword because it's pretty big:
57cm / 22,5 inches long overall ,
45 cm / 17,7 inches only for the blade.

Not my area but I loved the patina,
I wonder if it comes from Luristan, China, Greece
or .... just a copy ?

Kind Regards