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.

LK001.09

Country / Post Sri Lanka
Date of Issue 2 February 2009
Primary theme Environment & Conservation
Geography & Meteorology (Seas, lakes & rivers)
Flora (Trees)
Subject Madu Ganga Ramsar Wetland
Width 41.0 mm
Height 30.0 mm
Denomination 5.00 LKR
Number in set 2 (show set)
Layout/Format sheet of 100
Perforations 12 by 12
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka
Connect to the web shop of the issuing stamp authority