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.

OM001.12

Country / Post Oman
Date of Issue 7 May 2012
Primary theme National symbols (Flags)
Politics & Government (Law)
Subject 40th Anniversary of Diplomatic Relations between Oman and Japan
Width 80.0 mm
Height 30.0 mm
Denomination 1.00 OMR
Number in set 1
Layout/Format sheet
Perforations 13.5 by 13.5
Stamp issuing authority Ministry of Transport & Communications Sultanate of Oman
Printer
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