Sierra Leone
Montre maintenant: Sierra Leone - Timbres-Poste (1859 - 2018) - 1 Timbres-poste.
1985
The 40th Anniversary of I.C.A.O.
28. février WM: Aucun Perforation: 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)
| No. | Genre | D | Couleur | Description |
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| 828 | MF | 70C | multicouleurs | Eddie Rickenbacker and Spad "XIII", 1918 | 1,63 | - | 1,63 | - | USD |
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| 829 | MG | 1.25Le | multicouleurs | Samuel P. Langley and "Aerodrome A", 1903 | 2,72 | - | 2,72 | - | USD |
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| 830 | MH | 1.30Le | multicouleurs | Orville and Wilbur Wright with Wright Flyer I, 1903 | 2,72 | - | 2,72 | - | USD |
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| 831 | MI | 2Le | multicouleurs | Charles Lindbergh and "Spirit of St. Louis", 1927 | 5,44 | - | 5,44 | - | USD |
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