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.

CA028.02

Country / Post Canada
Date of Issue 19 May 2002
Primary theme Fauna (Marine fauna)
Subject Canada-Hong Kong Joint Issue - Corals
Width 47.5 mm
Height 26.0 mm
Denomination 0.48 CAD
Number in set 4 (show set)
Layout/Format sheet of 16, miniature sheet of 4 of 4 designs
Perforations 13.2 by 13.1
Stamp issuing authority Canada Post
Printer Lowe-Martin
Connect to the web shop of the issuing stamp authority