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.

SL010.04

Country / Post Sierra Leone
Date of Issue 21 January 2004
Primary theme Fine Arts (Painting)
Subject Chiao Ping-Chen Paintings
Width 90.0 mm
Height 90.0 mm
Denomination 5000 SLL
Number in set 5 (show set)
Layout/Format sheet of 1
Perforations imperforate
Stamp issuing authority Sierra Leone Postal Services Limited
Printer BDT International Security Printing Ltd