Newbie post, SE Asian knives

[lordkoos]

Hello to the forum, this is my first post. I'm living in northern Thailand for a time, and recently had the opportunity to purchase a group of old knives. I'm not an experienced collector but I love knives. Thought I would post photos of them and invite comment, hoping people could tell me more about them, as well as estimate their age. I've done a bit of research on my own, on this excellent site and elsewhere. The have not been particularly well stored or cared for and I'm sure the blades could look much better with a bit of work. They are northern Thai (Shan) I think although perhaps Burma?

First up, the largest & probably most interesting knife which is about 16" or 40cm long. This is some kind of ceremonial "priest" knife and looks to never have been sharpened. The hilt looks to be carved ivory, a demon or temple guardian fighting a lion? The knife came without a scabbard, is in good shape but for a crack in the ivory carving.