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.

AW050.11

Country / Post Aruba
Date of Issue 22 July 2011
Primary theme Games & Toys (Chess)
Subject Chess
Width 22.0 mm
Height 22.0 mm
Denomination 1.80 AWG
Number in set 11 (show set)
Layout/Format sheet of 15 of 11 designs
Perforations 14 by 14
Stamp issuing authority Post Aruba NV
Printer Österreichische Staatsdruckerei GmbH
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