The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.


Country / Post Australia
Date of Issue 18 May 2004
Primary theme Science & Technology
Fauna (Birds - General)
Aviation (Aircraft)
Subject Australian Innovations - Black Box Flight Recorder 1961
Width 37.0 mm
Height 26.0 mm
Denomination 0.50 AUD
Number in set 5 (show set)
Layout/Format sheet of 50, self adhesive booklet of 10 of 5 designs
Perforations 14 by 14.6
Stamp issuing authority Australia Post
Printer SNP Sprint
Connect to the web shop of the issuing stamp authority