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 Slovakia
Date of Issue 1 March 2018
Primary theme Politics & Government (Law)
Subject Personalities - Adam František Kollár (1718-1783)
Width 26.5 mm
Height 33.9 mm
Denomination 0.50 €
Number in set 1
Layout/Format sheet of 8
Perforations 14 by 14
Stamp issuing authority Slovak Post
Printer Rempo sro
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