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.

LK004.10

Country / Post Sri Lanka
Date of Issue 24 February 2010
Primary theme Politics & Government
Subject The Government Officers' Benefits Association
Width 40.0 mm
Height 30.0 mm
Denomination 5.00 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
Connect to the web shop of the issuing stamp authority