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.

GR025.18

Country / Post Greece
Date of Issue 15 June 2018
Primary theme Education
Military
Subject 190 Years since the Establishment of the Hellenic Army Academy - Lowering the Flag in the Hellenic Army Academy
Width 45.0 mm
Height 35.0 mm
Denomination 1.00 €
Number in set 4 (show set)
Layout/Format sheet of 25
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