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.

SI009.18

Country / Post Slovenia
Date of Issue 9 March 2018
Primary theme Holy Days & Celebrations (Christmas & Easter)
Subject Easter - Easter egg
Width 22.5 mm
Height 30.0 mm
Denomination A
Number in set 3 (show set)
Layout/Format self adhesive sheet of 50
Perforations 12 by 12
Stamp issuing authority Post of Slovenia
Printer Zrinski dd Cakovec Croatia
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