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.

LK008.15

Country / Post Sri Lanka
Date of Issue 12 June 2015
Primary theme Mankind (Children)
Politics & Government (Law)
Subject World Day against Child Labour 2015
Width 30.0 mm
Height 41.0 mm
Denomination 10.00 LKR
Number in set 1
Layout/Format sheet of 20
Perforations 14 by 13.75
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka