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.

AU043.04

Country / Post Australia
Date of Issue 17 August 2004
Primary theme Olympic Games (Summer Olympics)
Subject Gold Medallists Athens 2004 - Petria Thomas - Swimming Women's 100m Butterfly
Width 35.0 mm
Height 35.0 mm
Denomination 0.50 AUD
Number in set 17 (show set)
Layout/Format sheet of 10
Perforations 14 by 14.4
Stamp issuing authority Australia Post
Printer SNP Sprint
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