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.

FI013.02

Country / Post Finland
Date of Issue 1 January 2002
Primary theme Fauna (Birds - General)
Subject Swan
Width 34.5 mm
Height 24.5 mm
Denomination 0.50 €
Number in set 1
Layout/Format self adhesive sheet of 10
Perforations
Stamp issuing authority Finland Post
Printer Joh Enschedé Security Printers