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 Oman, 2004

Show registered stamps...
Date of Issue Subject Number In Set
24 January Wildflowers in Oman 16
April Coral Reef 4
April Marine Birds in Oman 6
21 May FIFA 100 Years 4
5 June Arabian Leopard 4
21 September International Peace Day 1
15 October International White Stick Day 1
18 November 34th National Day 2
December Al Masarrat Aquifer Not specified
4 December 10th GCC Stamp Exhibition, Muscat 1

Programme Disclaimer