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.

TR051.12

Country / Post Turkey
Date of Issue 27 July 2012
Primary theme Olympic Games (Summer Olympics)
Subject XXX Olympic Games London 2012
Width 41.0 mm
Height 25.0 mm
Denomination 0.50 TRL
Number in set 4 (show set)
Layout/Format sheet of 4 of 4 designs
Perforations 13 by 13
Stamp issuing authority General Directorate of PTT
Printer PTT Printing House
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