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.

PK001.04

Country / Post Pakistan
Date of Issue 4 January 2004
Primary theme International Organisations
Economy & Industry
Subject 12th SAARC Summit Islamabad
Width 34.0 mm
Height 29.0 mm
Denomination 4.00 PKR
Number in set 1
Layout/Format sheet of 20
Perforations 12.8 by13
Stamp issuing authority Pakistan Post Office
Printer Post Office Foundation Press Karachi