Any help with these three much appreciated
22a Papal representative at minor courts
_ N _ U _ N _ N _ I _ s
The end could be nuncios but what could be the first 5 letters?
12a A fine sort of tobacco moistened with molasses
_ O _ _ _ _ _ W (5 and 3)
5d The degree of hardness and elasticity in steel and other metals
T _ M _ _ _