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 Serbia
Date of Issue 21 August 2017
Primary theme Aviation (Aircraft)
Politics & Government
Subject 90th Anniversary of the Serbian National Airline
Width 37.5 mm
Height 30.0 mm
Denomination 23.00 RSD
Number in set 1
Layout/Format sheet of 10
Perforations 13.25 by 13.25
Stamp issuing authority Public Enterprise Post of Serbia Belgrade
Printer Zin Belgrade
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