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.

ES022.11

Country / Post Spain
Date of Issue 4 February 2011
Primary theme Royalty & Monarchies
Subject Definitive series - King Juan Carlos I
Width 24.88 mm
Height 28.8 mm
Denomination 0.50 €
Number in set 4 (show set)
Layout/Format sheet of 50
Perforations 12.75 by 13.25
Stamp issuing authority Correos Y Telegrafos SA
Printer RCM-FNMT
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