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.

GR019.18

Country / Post Greece
Date of Issue 21 May 2018
Primary theme Politics & Government
Economy & Industry
Subject 100 Years since the founding of the Greek General Confederation of Labour - Logo, 100 Years GSEE
Width 38.0 mm
Height 30.0 mm
Denomination 1.00 €
Number in set 2 (show set)
Layout/Format miniature sheet of 2 of 2 designs
Perforations 14 by 14
Stamp issuing authority Hellenic Post
Printer Veridos Matsoukis SA Security Printing
Connect to the web shop of the issuing stamp authority