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.

LK007.15

Country / Post Sri Lanka
Date of Issue 4 May 2015
Primary theme Exhibitions, Fairs & Carnivals (Carnivals)
Subject State Vesak Festival 2015
Width 41.0 mm
Height 30.0 mm
Denomination 10.00 LKR
Number in set 1
Layout/Format sheet of 20
Perforations 13.75 by 14
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka