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.

XG006.03

Country / Post Niuafo'ou
Date of Issue 2 June 2003
Primary theme Royalty & Monarchies
Subject Niuafo'ou - 50th Anniversary of the Coronation of Queen Elizabeth II
Width 42.0 mm
Height 30.0 mm
Denomination 1.20 TOP
Number in set 8 (show set)
Layout/Format sheet of 50
Perforations 13.4 by 13.4
Stamp issuing authority Tonga Postal Services General Post Office
Printer Wyatt & Wilson Print Limited New Zealand