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.

SI005.18

Country / Post Slovenia
Date of Issue 26 January 2018
Primary theme Literature, Press and Comics (Writers)
Subject Prominent Personalities - Ivan Cankar
Width 30.0 mm
Height 42.0 mm
Denomination 0.78 €
Number in set 2 (show set)
Layout/Format sheet of 25
Perforations 14 by 14
Stamp issuing authority Post of Slovenia
Printer Agencija za komercijalnu djelatnost doo Zagreb Croatia
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