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.

TZ043.12

Country / Post Tanzania
Date of Issue 30 June 2012
Primary theme Olympic Games (Summer Olympics)
Subject Olympics London 2012
Width 30.0 mm
Height 40.0 mm
Denomination 1300 TZS
Number in set 4 (show set)
Layout/Format miniature sheet of 4 of 4 designs
Perforations 14 by 14
Stamp issuing authority Tanzania Posts Corporation
Printer IGPC USA