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.

NI001.03

Country / Post Nicaragua
Date of Issue 5 February 2003
Primary theme Royalty & Monarchies
Subject First visit of the Grand Duke of Luxembourg to Nicaragua
Width 30.0 mm
Height 40.0 mm
Denomination 12.00 NIO
Number in set 1
Layout/Format sheet of 50
Perforations 13.3 by 13.1
Stamp issuing authority Correos De Nicaragua
Printer Cartor Security Printing
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