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.

CA125.17

Country / Post Canada
Date of Issue 20 October 2017
Primary theme Sport (Winter sports)
Subject History of Hockey - Canada - United States joint issue (past)
Width 26.0 mm
Height 40.0 mm
Denomination Permanent
Number in set 4 (show set)
Layout/Format miniature sheet of 2 of 2 designs
Perforations 13 by 13
Stamp issuing authority Canada Post
Printer Lowe-Martin
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