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postage
1895 1895b issue ovpted on stamp of India - Empress Victoria wmk. star (no perf info)
| X | 4a | olgrn | ovpt, Queen Victoria |
1904, Jun 8 1904 issue wmk. mult rosette p. 14
| - | 8a | olgrn | monogram of Sultan Ali bin Hamud |
1926 1926 issue wmk. mult crown & script CA
| X | 10c | olgrn | Sultan Khalifa bin Harub 1926 |
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