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.

LK009.10

Country / Post Sri Lanka
Date of Issue 24 May 2010
Primary theme Architecture (Classical)
Religions & beliefs (Buddhism)
Subject Vesak 2010 - Mahiyangana Stupa
Width 30.0 mm
Height 41.0 mm
Denomination 5.00 LKR
Number in set 4 (show set)
Layout/Format iniature sheet of 4 of 4 designs
Perforations 13.5 by 14
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka