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.

HU004.17

Country / Post Hungary
Date of Issue 3 February 2017
Primary theme Astronomy & Space (Astronomy)
Subject Regiomontanus arrived in Hungary 550 Years ago
Width 25.6 mm
Height 50.0 mm
Denomination 235 HUF
Number in set 1
Layout/Format sheet
Perforations 11.5 by 11.5
Stamp issuing authority Hungarian Post Office Limited
Printer ANY Biztonsági Nyomda Nyrt
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