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.


Country / Post Sri Lanka
Date of Issue 24 November 2010
Primary theme Flora (Flowers - General)
Subject Flowers of Sri Lanka - Phaius tancarvilleae - National Stamp Fair Colombo 2010
Width 38.0 mm
Height 28.0 mm
Denomination 20.00 LKR
Number in set 4 (show set)
Layout/Format miniature sheet of 4 of 4 designs
Perforations 12.5 by 12.5
Stamp issuing authority Department of Posts
Printer Security Printers Malaysia Ltd
Connect to the web shop of the issuing stamp authority