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.

RO031.09

Country / Post Romania
Date of Issue 20 July 2009
Primary theme Astronomy & Space (Astronauts & Cosmonauts)
Subject Apollo 11 - 40 Years since the First Step on the Moon
Width 36.0 mm
Height 36.0 mm
Denomination 14.50 RON
Number in set 2 (show set)
Layout/Format miniature sheet of 1
Perforations 13 by 13
Stamp issuing authority Compania Nationala Posta Romana SA
Printer Fabrica de timbre
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