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.

UY020.18

Country / Post Uruguay
Date of Issue 13 April 2018
Primary theme Transportation (Ships & Navigation) (Sailing ships)
Subject Sailing boats - Velas Uruguay 2018 - Simón Bolivar
Width 42.0 mm
Height 30.0 mm
Denomination 20 UYU
Number in set 9 (show set)
Layout/Format miniature sheet of 9 of 9 designs
Perforations 13 by 13
Stamp issuing authority Administración Nacional de Correos
Printer Sanfer SRL
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