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.

CO110.10

Country / Post Colombia
Date of Issue 23 November 2010
Primary theme Music & Dance (Ballet)
Subject 50th Anniversary of the Foundation Sonia Osorio Ballet of Colombia
Width 30.0 mm
Height 40.0 mm
Denomination 1200 COP
Number in set 1
Layout/Format sheet of 9
Perforations 13 by 13
Stamp issuing authority Servicios Postales Nacionales SA
Printer Thomas Greg & Sons de Colombia SA