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.

PA002.02

Country / Post Panama
Date of Issue 30 April 2002
Primary theme Explorers & Navigation
Subject 500 Years of the discovery of the Isthmus of Panama
Width 40.0 mm
Height 30.0 mm
Denomination 0.50 PAB
Number in set 2 (show set)
Layout/Format sheet
Perforations 13 by 13.3
Stamp issuing authority Correos Y Telégrafos de Panamá
Printer Cartor Security Printing
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