Ross Jensen took the car to Melbourne in 1956 for the Australian Grand Prix meeting at Albert Park, Melbourne.
His was one of four 100S and another four 100's were entered in the main Sports Car race as shown in the entry lists.
from Graham Edney on Old Motor Racing Photographs - Australia - shared by Wayne Watkins an Australian Healey enthusiast.
Stirling Moss and Jean Behra ran Maserati 250F's in the Grand Prix and Maserati 300S Sports cars in the Trophy race.
Ron Roycroft was there in his Ferrari as well for the GP event.
The shown in this montage at the refueling Bay at Albert Park [ lower left pic ]. Allan Dick archives as published in NZ Classic Driver.
The Car today - well when the NZ Classic Driver Magazine issue #70 came out Jan-Feb 2017
Haven't managed to find any results yet - must take the time to look it up!!