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.

TL001.11

Country / Post East Timor
Date of Issue 14 February 2011
Primary theme National symbols (Flags)
Subject 20th Anniversary of AICEP
Width 40.0 mm
Height 30.0 mm
Denomination 0.75 TLE
Number in set 1
Layout/Format sheet of 50
Perforations 12.5 by 12.5
Stamp issuing authority CTL Correios de Timor Leste
Printer Cartor Security Printing