Thanks guys. Dave, the angled brass belt loop is for angular wear on the belt and the responders are correct. That is very Italian.

As far as me finding out what it is, I think you guys just told me. This is/was one of Bob's daggers and I really appreciate your help.

Exciting that we are probably speaking of a WWII fascist dagger.

Again, thank you

Any thoughts on unknown dagger number 1?