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.

NG001.15

Country / Post Nigeria
Date of Issue 23 October 2015
Primary theme Education (Universities)
Subject 55th Anniversary of the University of Nigeria (1960-2015) and Hosting of West African University Games - Prof. Benjamin C. Ozumba (Vice Chancellor)
Width 40.0 mm
Height 30.0 mm
Denomination 50 NGN
Number in set 4 (show set)
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Nigerian Postal Service
Printer Takoms International Limited