Update
more info about this badge type.
I believe its from the BCOF "British Commonwealth Occupation Force" 1945-1949
Below is a image from 1946, chrome badge present.
below is a image of The Squadron OC, Major Cec Ives, standing alongside a Staghound Armoured Car.
Below , MP with the chrome rising sun badge visible
General Robertson, accompanied by Dr. Evatt, inspecting troops of the 66 Australian Infantry Battalion at Hiro [Japan]
Date(s) of creation: [ca. 1947] chrome rising sun badge visible
