Khyber Knife / Hilt Material?

[ariel]

Bone.
First, at the top of the pommel you can see the inner structure of the long bone: that's where the bone marrow resides.
Second, you can see short dark lines at the surface: periosteal blood vessels.




I think it is a later one, end of 19 to first half of 20 century: chape looks very "regulation-like"