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.

HU031.04

Country / Post Hungary
Date of Issue 23 April 2004
Primary theme Politics & Government
Subject Police Day II
Width 40.0 mm
Height 30.0 mm
Denomination 48 HUF
Number in set 1
Layout/Format sheet of 50
Perforations 13 by 13.2
Stamp issuing authority Hungarian Post Office Limited
Printer Allami Nyomda Rt
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