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.

HU012.07

Country / Post Hungary
Date of Issue 10 April 2007
Primary theme Literature, Press and Comics (Writers)
Subject For Youth 2007 - Centenary of the Publication of Ferenc Molnar's "The Boys of Paul Street"
Width 25.0 mm
Height 35.0 mm
Denomination 160 HUF + 30 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 Penzjegynyomda Rt
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