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.

HU027.18

Country / Post Hungary
Date of Issue 2 May 2018
Primary theme Astronomy & Space (Astronomy)
Subject For Youth 2018 - Among the Stars - Milky Way - Crab Nebula
Width 40.0 mm
Height 25.5 mm
Denomination 155 HUF
Number in set 4 (show set)
Layout/Format miniature sheet of 4 of 4 designs
Perforations 13 by 13
Stamp issuing authority Hungarian Post Office Limited
Printer ANY Biztonsági Nyomda Nyrt
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