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.

Issuing programme for Macao, China, 2009

Show registered stamps...
Date of Issue Subject Number In Set
Inauguration of the Macao Science Centre (miniature sheet) 5
4 January Bicentenary of the Birth of Louis Braille 1
8 January Lunar Year of the Ox (miniature sheet) 6
20 February Opening of Kun Iam Treasury (miniature sheet) 5
1 March Traditional Instruments ll (miniature sheet) 5
8 April Mainland Scenery lll (miniature sheet) 2
1 May 120th Anniversary of the international Labour Day (miniature sheet) 3
1 June Seng Yu - Idioms lll (miniature sheet) 5
1 October 60th Anniversary of the Founding of the People's Republic of China 5
9 October Artwork from the Culture Mix of East and West 2
29 November 120th Anniversary for the Founding of the Pui ching Middle School (miniature sheet) 5
20 December 10th Anniversary of the Reunification of Macao with the Motherland (miniature sheet) 4

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