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.

GR001.15

Country / Post Greece
Date of Issue 21 January 2015
Primary theme Literature, Press and Comics (Newspapers & Journalists)
Subject 100 Years since the founding of the Journalists' Union of Athens Daily Newspapers - P. Palaiologos - D. Psathas
Width 52.5 mm
Height 36.2 mm
Denomination 0.01 €
Number in set 5 (show set)
Layout/Format sheet of 25
Perforations 13.5 by 13.5
Stamp issuing authority Hellenic Post
Printer Joh Enschedé Security Printers
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