Sierra Leone
Viser nu Sierra Leone - Post frimærker (1859 - 2018) - 1 frimærker.
1985
The 40th Anniversary of I.C.A.O.
28. februar VM: Ingen Perforeringer: 14
![[The 40th Anniversary of I.C.A.O., type MF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/MF-s.jpg)
![[The 40th Anniversary of I.C.A.O., type MG]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/MG-s.jpg)
![[The 40th Anniversary of I.C.A.O., type MH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/MH-s.jpg)
![[The 40th Anniversary of I.C.A.O., type MI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/MI-s.jpg)
| Nr. | Type | D | Farve | Beskrivelse |
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| 828 | MF | 70C | Flerfarvet | Eddie Rickenbacker and Spad "XIII", 1918 | 1,63 | - | 1,63 | - | USD |
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| 829 | MG | 1.25Le | Flerfarvet | Samuel P. Langley and "Aerodrome A", 1903 | 2,72 | - | 2,72 | - | USD |
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| 830 | MH | 1.30Le | Flerfarvet | Orville and Wilbur Wright with Wright Flyer I, 1903 | 2,72 | - | 2,72 | - | USD |
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| 831 | MI | 2Le | Flerfarvet | Charles Lindbergh and "Spirit of St. Louis", 1927 | 5,44 | - | 5,44 | - | USD |
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