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.

LK003.15

Country / Post Sri Lanka
Date of Issue 20 March 2015
Primary theme Architecture (Classical)
Medicine
Subject 150th Anniversary of the National Hospital of Sri Lanka
Width 50.0 mm
Height 20.0 mm
Denomination 10.00 LKR
Number in set 1
Layout/Format sheet of 20
Perforations 13.5 by 14
Stamp issuing authority Department of Posts
Printer Department of Government Printing, Sri Lanka