It has long been clear that Artzi's item # 5887 is Pesh Kabz, with a tip like Zirah Bouk. (although you can wait for what Artzi himself will say).
But here is what is written on the website armsandantiques.com: "A fine example of a 19th C. Indian kard but with a large and hardened inserted tip ito create an armor piercing tip in the form of a zirah bouk dagger"
http://armsandantiques.com/19th-c-w...d-dagger-id1134
Here, on specific examples, it was shown what Zirah Bouk is. It's never too late to learn