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.

SZ002.04

Country / Post Swaziland
Date of Issue 14 June 2004
Primary theme Economy & Industry
Subject Smart Partnership International Movement Logos
Width 42.0 mm
Height 28.0 mm
Denomination 1.10 SZL
Number in set 4 (show set)
Layout/Format sheet of 50
Perforations 13.7 by 13.3
Stamp issuing authority Swaziland Posts and Telecommunications Corporation
Printer Joh Enschede Security Printer