Menampilkan: Oman - Prangko (1990 - 1999) - 9 prangko.
1. Januari WM: Tiada Ukuran kertas: 50 Desain: Mahmoud Roushdy Perforasi: 12¾ x 12¼
![[The 5th Anniversary of Gulf Investment Corporation, Tipe GN]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GN-s.jpg)
![[The 5th Anniversary of Gulf Investment Corporation, Tipe GN1]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GN1-s.jpg)
24. Maret WM: Tiada Ukuran kertas: 50 Desain: Mahmoud Roushdy Ukiran: Oriental Press. Bahrain. Perforasi: 13
![[The 40th Anniversary of Airline "Gulf Air", Tipe GO]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GO-s.jpg)
22. April WM: Tiada Ukuran kertas: 50 Desain: Mahmoud Roushdy Perforasi: 11¼ x 11¾
![[Omani Ophiolite Symposium, Tipe GP]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GP-s.jpg)
![[Omani Ophiolite Symposium, Tipe GP1]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GP1-s.jpg)
30. April WM: Tiada Ukuran kertas: 50 Desain: Mohamed Bin Nizam Shah & Mahmoud Roushdy Perforasi: 13
![[The 150th Anniversary of First Omani Envoy's Journey to U.S.A., Tipe GQ]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GQ-s.jpg)
5. Mei WM: Tiada Ukuran kertas: 50 Desain: Mahmoud Roushdy Ukiran: Courvoisier. Perforasi: 11½ x 11¾
![[Sultan Qaboos Rose, Tipe GR]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/GR-s.jpg)
18. November WM: Tiada Ukuran kertas: 2 Desain: Mohamed bin Nizam Shah & Mahmoud Roushdy Perforasi: 11¾
![[National Day, Tipe ]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/0235-b.jpg)
