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.

AF001.11

Country / Post Afghanistan
Date of Issue 1 January 2011
Primary theme Literature, Press and Comics
Education
Subject World Literacy Day
Width 40.0 mm
Height 28.0 mm
Denomination 22 AFN
Number in set 1
Layout/Format sheet of 50
Perforations 13.5 by 13.5
Stamp issuing authority Afghan Post
Printer Österreichische Staatsdruckerei GmbH