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.

SK019.03

Country / Post Slovakia
Date of Issue 3 July 2003
Primary theme Sport
Subject World Swimming Championships 2003
Width 32.5 mm
Height 26.5 mm
Denomination 11 SKK
Number in set 1
Layout/Format sheet of 50
Perforations 11.6 by 11.6
Stamp issuing authority Slovak Post
Printer Postal Stationery Printing House, Prague
Connect to the web shop of the issuing stamp authority