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.


Country / Post Nicaragua
Date of Issue 1 October 2015
Primary theme Mankind
Subject 1st October - International Day of Older Persons
Width 30.0 mm
Height 40.0 mm
Denomination 20.00 NIO
Number in set 6 (show set)
Layout/Format miniature sheet of 6 of 6 designs
Perforations 12 by 12
Stamp issuing authority Correos De Nicaragua
Printer Industria GOZAKA San Jose Costa Rica
Connect to the web shop of the issuing stamp authority