Now showing: Oman - Postage stamps (1990 - 1999) - 7 stamps.
7. January WM: None Sheetsize: 20 Design: Mahmoud Roushdy Engraving: Courvoisier. Perforation: 14¼ x 14
![[Open Parliament, type IC]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/IC-s.jpg)
22. March WM: None Sheetsize: 50 Design: Mahmoud Roushdy Perforation: 13 x 13¼
![[The 50th Anniversary of Arab League, type ID]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/ID-s.jpg)
2. September WM: None Sheetsize: 50 Design: Suliaman bin Musalim bin Nasir Al-Mahruqi Perforation: 13½
![[The 50th Anniversary of the United Nations, type IE]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/IE-s.jpg)
18. November WM: None Sheetsize: 10 Design: Mahmoud Roushdy Perforation: 11¾
![[The 25th National Day, type ]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/0285-b.jpg)
4. December WM: None Sheetsize: 50 Design: Mahmoud Roushdy Perforation: 11¾
![[The 16th Supreme Council Session of Gulf Co-operation Council, Oman, type IH]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/IH-s.jpg)
![[The 16th Supreme Council Session of Gulf Co-operation Council, Oman, type II]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/II-s.jpg)