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.

SI017.19

Country / Post Slovenia
Date of Issue 22 March 2019
Primary theme Flora (Flowers - General)
Subject Flora - Hydrangeas - Bigleaf Hydrangea (Hydrangea macrophylla)
Width 29.82 mm
Height 42.6 mm
Denomination 1.44 €
Number in set 4 (show set)
Layout/Format miniature sheet of 1
Perforations 14 by 14
Stamp issuing authority Post of Slovenia
Printer Agencija za komercijalnu djelatnost doo Zagreb Croatia
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