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.

CA127.17

Country / Post Canada
Date of Issue 24 October 2017
Primary theme Sport (Winter sports)
Subject Toronto Maple Leafs - 100th Anniversary
Width 32.6 mm
Height 28.8 mm
Denomination Permanent
Number in set 3 (show set)
Layout/Format self adhesive coil of 50 stamps
Perforations imperforate
Stamp issuing authority Canada Post
Printer Colour Innovations
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