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.

XA004.04

Country / Post Australian Antarctic Territory
Date of Issue 13 February 2004
Primary theme Geography & Meteorology
Subject 50th Anniversary of Mawson Station
Width 37.5 mm
Height 26.0 mm
Denomination 1.45 AUD
Number in set 4 (show set)
Layout/Format sheet of 50
Perforations 14.1 by 14.6
Stamp issuing authority Australia Post
Printer SNP Sprint
Connect to the web shop of the issuing stamp authority