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.

LK003.09

Country / Post Sri Lanka
Date of Issue 13 February 2009
Primary theme Education
Science & Technology (Information Technology)
Literature, Press and Comics
Subject Year of English and Information Technology
Width 30.0 mm
Height 41.0 mm
Denomination 5.00 LKR
Number in set 1
Layout/Format sheet of 100
Perforations 12 by 12
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka