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.

AZ040.10

Country / Post Azerbaijan
Date of Issue 5 November 2010
Primary theme Energy (Petroleum)
Subject Centenary of Birth of Academic Sh. Mehdiyev
Width 40.0 mm
Height 28.0 mm
Denomination 0.60 AZN
Number in set 1
Layout/Format sheet of 36
Perforations 14 by 14
Stamp issuing authority Azermarka
Printer
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