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.

MT021.10

Country / Post Malta
Date of Issue 23 September 2010
Primary theme Fauna (Marine fauna)
Subject 2010 International Year of Biodiversity - Fresh-water Crab
Width 44.0 mm
Height 31.0 mm
Denomination 1.40 €
Number in set 4 (show set)
Layout/Format sheet of 10
Perforations 13.9 by 14
Stamp issuing authority Malta Post plc
Printer Printex Ltd
Connect to the web shop of the issuing stamp authority