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postage
1981, Nov 18 11th National Day issue unwmk p. 11.75
| - | 300b | multi | sultan & map of Oman | — | — |
2005, Dec 7 Al-Khanjar A\'Suri issue (no perf info)
| - | 300b | multi | — | — |
2008, Dec 29 29th Session of the GCC Supreme Council issue imperf
| - | 300b | multi | — | — |
2009, Dec 19 19th Arabian Gulf Cup b issue
| - | 300b | multi | — | — |
2016, Nov 18 46th National Day issue (no perf info)
| - | 300b | multi | — | — |
2019, Nov 16 Oman's Message of Islam issue p. 13
| - | 300b | multi | — | — |
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