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.

LU005.03

Country / Post Luxembourg
Date of Issue 18 March 2003
Primary theme Architecture
Subject Tourism series - Differdange
Width 40.0 mm
Height 30.0 mm
Denomination 0.50 €
Number in set 3 (show set)
Layout/Format sheet of 20
Perforations 14.5 by 14
Stamp issuing authority P&T Luxembourg
Printer The House of Questa
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