It's the constellation seen on the flags of New Zealand & Australia
The stars' pattern 
represents the asterism within the constellation of Crux, the .... New Zealand did 
not have a Colonial badge, or indeed a Coat of Arms of its own at this stage, and 
so the... [DOC] [TLE] Flags depicting the Southern Cross - Wikipedia [PAR] The Southern Cross or Crux, a constellation visible in the Southern Hemisphere, 
is depicted on flags and coats of arms of various countries and sub-national 
entities.