For those interested, I have completed a larger body of research linked below which greatly fleshes out a lot of the information I discussed here. Thanks!
Photos below: Chaldean Men with Khanjars, one with a Sword, and Chakhmakhlis. A local Kurdish or Armenian nobleman (The titles would have been Agha or Bey for Kurds, Res or Ishkhan for Armenians) with his bodyguard. These images really illustrate the form of the swords used in this region.
https://medium.com/@raznavraziya/mar...n-ae291fa44b8a