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.

SI004.19

Country / Post Slovenia
Date of Issue 25 January 2019
Primary theme Agriculture & Food (Food & Cooking)
Holy Days & Celebrations
Subject Greetings Stamp - St Gregory's Day
Width 44.0 mm
Height 44.0 mm
Denomination 0.52 €
Number in set 1
Layout/Format sheet of 10
Perforations 14 by 14
Stamp issuing authority Post of Slovenia
Printer Joh Enschedé Security Printers
Connect to the web shop of the issuing stamp authority