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.

MO011.14

Country / Post Macao, China
Date of Issue 6 January 2014
Primary theme Medicine
Subject 140th Anniversary of Conde de Sao Januario General Hospital
Width 60.0 mm
Height 40.0 mm
Denomination 12.00 MOP
Number in set 5 (show set)
Layout/Format ministure sheet of 1
Perforations 13.25 by 13
Stamp issuing authority Macao Post
Printer Cartor Security Printing
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