Zobrazujú sa: Bolívia - Poštové známky (1920 - 1929) - 7 známky.
1924
Airmail - Establishment of the National Aviation School
december WM: nikto Rytina: Perkins, Bacon & Co. Perforácia: 14
![[Airmail - Establishment of the National Aviation School, typ AV]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AV1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV1-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AV2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV2-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AV3]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV3-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AW]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AW1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW1-s.jpg)
![[Airmail - Establishment of the National Aviation School, typ AW2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW2-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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| 142 | AV | 10C | červenkasto oranžová/čierna | (150.000) | - | 0,59 | 0,59 | - | USD |
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| 143 | AV1 | 15C | karmínová/čierna | (140.000) | - | 1,76 | 1,17 | - | USD |
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| 144 | AV2 | 25C | modrá/čierna | (42.000) | - | 0,88 | 0,59 | - | USD |
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| 145 | AV3 | 50C | oranžovo žltá/čierna | (21.500) | - | 9,38 | 4,69 | - | USD |
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| 146 | AW | 1B | červenkasto hnedá/čierna | (48.000) | - | 2,35 | 1,76 | - | USD |
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| 147 | AW1 | 2B | černasto hnedá/čierna | (20.000) | - | 17,59 | 9,38 | - | USD |
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| 148 | AW2 | 5B | fialová/čierna | (10.000) | - | 17,59 | 14,07 | - | USD |
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| 142‑148 | - | 50,14 | 32,25 | - | USD |
