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.

PL007.02

Country / Post Poland
Date of Issue 1 March 2002
Primary theme Architecture
Subject Polish cities - Royal Castle in Warsaw and Syrenka the Mermaid
Width 25.5 mm
Height 31.3 mm
Denomination 3.20 PLN
Number in set 3 (show set)
Layout/Format sheet of 100
Perforations 11.6 by 11.6
Stamp issuing authority Polish Post
Printer
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