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 United States of America
Date of Issue 19 June 2008
Primary theme Olympic Games (Summer Olympics)
Subject Summer Olympics Beijing 2008
Width 39.5 mm
Height 24.5 mm
Denomination 0.42 USD
Number in set 1
Layout/Format self adhesive sheet
Perforations 11 by 11
Stamp issuing authority United States Postal Service