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.

LK010.14

Country / Post Sri Lanka
Date of Issue 7 May 2014
Primary theme Mankind (Children)
Subject World Conference on Youth 2014 Sri Lanka
Width 41.0 mm
Height 30.0 mm
Denomination 5.00 LKR
Number in set 1
Layout/Format sheet of 20
Perforations 12.75 by 13.25
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka
Connect to the web shop of the issuing stamp authority