Hi Teodor,
What you have looks a bit new but my personal opinion is it's a relatively well made piece compared to the tourist tumbuk lada to be had here. Generally, some of the less well made ones have sheaths and handles from buffalo bone, a few from horn with rudimentary carvings. The blades are generally made with false pamor and arabic writing on it from modern materials such as
This blade somehow looks nicer and better made.