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.


Country / Post Macao, China
Date of Issue 20 February 2009
Primary theme Economy & Industry (Banking & Currency)
Subject Opening of Kun Iam Treasury
Width 30.0 mm
Height 40.0 mm
Denomination 4.00 MOP
Number in set 5 (show set)
Layout/Format sheet of 16 of 4 designs
Perforations 13.25 by 13.25
Stamp issuing authority Macao Post
Printer Cartor Security Printing
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