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.

SK018.09

Country / Post Slovakia
Date of Issue 29 April 2009
Primary theme Politics & Government (Independence)
Geography & Meteorology (Maps & Cartography)
Subject 40th Anniversary of the foundation of the Union of Slovak Philatelists (ZSF)
Width 32.5 mm
Height 26.5 mm
Denomination T2 20g
Number in set 1
Layout/Format sheet of 8
Perforations 12 by 12
Stamp issuing authority Slovak Post
Printer Postal Stationery Printing House, Prague
Connect to the web shop of the issuing stamp authority