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.

LK002.10

Country / Post Sri Lanka
Date of Issue 11 January 2010
Primary theme Education (Schools)
Subject Thurstan College
Width 60.0 mm
Height 30.0 mm
Denomination 10.00 LKR
Number in set 1
Layout/Format sheet of 100
Perforations 14 by 14
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka