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.

LU011.18

Country / Post Luxembourg
Date of Issue 15 May 2018
Primary theme Fauna (Birds - General)
Subject Rare birds - Reed Warbler
Width 45.0 mm
Height 33.0 mm
Denomination 0.25 €
Number in set 3 (show set)
Layout/Format sheet of 10
Perforations 11.5 by 11.5
Stamp issuing authority P&T Luxembourg
Printer bpost Stamps Factory Malines
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