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.

PK006.13

Country / Post Pakistan
Date of Issue 27 April 2013
Primary theme Religions & beliefs (Islam)
Subject Men of Letters - Sufi Barkat Ali
Width 32.3 mm
Height 44.6 mm
Denomination 8.00 PKR
Number in set 1
Layout/Format sheet of 18
Perforations 13 by 13
Stamp issuing authority Pakistan Post Office
Printer Pakistan Security Printing Corporation Karachi