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.

LK036.11

Country / Post Sri Lanka
Date of Issue 27 September 2011
Primary theme Mankind (Clothes & costumes)
History (History of Peoples)
Tourism (Tourism promotion)
Subject World Tourism Day 2011 - Heritage
Width 40.0 mm
Height 40.0 mm
Denomination 5.00 LRK
Number in set 10 (show set)
Layout/Format sheet of 80
Perforations 13.25 by 13.25
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka