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.

CA047.02

Country / Post Canada
Date of Issue 4 September 2002
Primary theme International Organisations
Subject Public Services International World Congress
Width 56.0 mm
Height 25.0 mm
Denomination 0.48 CAD
Number in set 1
Layout/Format sheet of 16
Perforations 12.5 by 13.1
Stamp issuing authority Canada Post
Printer Lowe-Martin
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