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71 | Unification of National Land | 1950.11.20 | - | 3 | |||
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70 | Unification of National Land | 1950.11.20 | - | 3 | |||
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69 | Unification of National Land | 1950.11.20 | - | 3 | |||
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68 | 2nd General Election | 1950.05.30 | - | 1 | |||
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67 | 31st Anniv. of March Revolution | 1950.03.10 | - | 2 | |||
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66 | 31st Anniv. of March Revolution | 1950.03.10 | - | 2 | |||
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63 | Opening of Domestic Air Mail Service | 1950.01.01 | - | 1 | |||
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65 | 50th Anniv. of Admission to UPU | 1950.01.01 | - | 2 | |||
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64 | 50th Anniv. of Admission to UPU | 1950.01.01 | - | 2 | |||
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62 | 1st "WON" Series | 1949.12.01 | - | 2 | |||