This PNC is Issue 4 of the 2013 Bush Babies collection by Australia Post & Perth Mint.
First Day of Issue 2nd April 2013 - Homebush NSW 2140.
 
The Kookarburra is part of the kingfisher family - in fact it is the world's largest kingfisher, mesuring up to 46cm & lives in forests, open woodlands, or on the edges of plains.