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.

LK006.14

Country / Post Sri Lanka
Date of Issue 3 March 2014
Primary theme Fauna (Frogs)
Subject World Wildlife Day 2014
Width 30.0 mm
Height 41.0 mm
Denomination 5.00 LKR
Number in set 1
Layout/Format sheet of 20
Perforations 13.25 by 12.75
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka