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.

BS008.11

Country / Post Bahamas
Date of Issue 23 March 2011
Primary theme Royalty & Monarchies
Subject Her Majesty Queen Elizabeth II 85th Birthday, His Royal highness Prince Philip 90th Birthday - A Lifetime of Service
Width 36.0 mm
Height 36.0 mm
Denomination 0.70 BSD
Number in set 6 (show set)
Layout/Format sheet of 8
Perforations 14 by 14
Stamp issuing authority Bahamas Postal Administration
Printer BDT International Security Printing Ltd