Stamps of Oman, 9 base day
1 to 17 of 17
postage
1974, Oct 9 100th Anniversary of U.P.U issue unwmk p. 14
| - | 100b | multi | — | — |
1980, Nov 9 Hegira issue
| - | 50b | multi | mosque, p. 11.75 | — | — | |
| - | 50b | multi | p. 14.75 (1981) | — | — | |
| - | 150b | multi | emblem, p. 11.75 | — | — |
1984, Mar 9 7th Arabian Gulf Cup issue
| - | 40b | multi | p. 13.75x13.25 | — | — | |
| - | 50b | multi | — | — |
1986, Aug 9 Pilgrimage to Mecca 1986 issue p. 13.75
| - | 50b | multi | — | — |
1998, Oct 9 World Stamp Day 1998 issue p. 13.5
| - | 100b | multi | — | — |
1999, Oct 9 125th Anniversary of Universal Postal Union issue p. 11.5
| - | 200b | multi | — | — |
2001, Oct 9 United Nations Year of Dialogue among Civilizations issue p. 14x13.5
| - | 200b | multi | — | — |
2020, Feb 9 Al-Quds - Capital Of Palestine issue (no wmk info) (no perf info)
| - | 250b | multi | — | — |
2021, Mar 9 80th Anniversary of the Al-Saidia School - Muscat issue
| - | 100b | multi | — | — | ||
| - | 100b | multi | — | — | ||
| - | 300b | multi | — | — | ||
| - | 500b | multi | — | — |
2022, Oct 9 Omani Architecture in Tanzania - House of Wonders - Joint Issue with Tanzania issue
| - | 500b | multi | — | — | ||
| - | 1r | multi | — | — |
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