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.

NG005.11

Country / Post Nigeria
Date of Issue 27 September 2011
Primary theme Economy & Industry
Subject Nigerian Institute of Management - Golden Anniversary
Width 40.0 mm
Height 25.0 mm
Denomination 50 NGN
Number in set 1
Layout/Format sheet of 50
Perforations 13 by 13
Stamp issuing authority Nigerian Postal Service
Printer Nigerian Security Printing & Minting Co Ltd