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.

LU005.09

Country / Post Luxembourg
Date of Issue 17 March 2009
Primary theme Politics & Government
Economy & Industry
Post & Philately
Subject Centenary of Trade Unions - Postmen's Union
Width 40.0 mm
Height 30.0 mm
Denomination 0.50 €
Number in set 3 (show set)
Layout/Format sheet of 10
Perforations 14 by 14
Stamp issuing authority P&T Luxembourg
Printer Cartor Security Print SA
Connect to the web shop of the issuing stamp authority