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.


Country / Post Sri Lanka
Date of Issue 5 May 2006
Primary theme Religions & beliefs (Buddhism)
Subject 2550 Years of Buddhist Era
Width 60.0 mm
Height 25.0 mm
Denomination 2.50 LKR
Number in set 50 (show set)
Layout/Format miniature sheet of 10 of 10 designs
Perforations 13.5 by 13.5
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka