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.

LV009.02

Country / Post Latvia
Date of Issue 25 May 2002
Primary theme Flora
Subject Protected plants of Latvia - Trapa natans
Width 31.5 mm
Height 31.5 mm
Denomination 40 LVL
Number in set 2 (show set)
Layout/Format sheet of 30
Perforations 14 by 14
Stamp issuing authority Latvia Post
Printer The House of Questa
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