Viser nå: Bolivia - Postfrimerker (1920 - 1929) - 7 frimerker.
1924
Airmail - Establishment of the National Aviation School
December VM: Ingen Gravering: Perkins, Bacon & Co. Perforering: 14
![[Airmail - Establishment of the National Aviation School, type AV]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AV1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV1-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AV2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV2-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AV3]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AV3-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AW]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AW1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW1-s.jpg)
![[Airmail - Establishment of the National Aviation School, type AW2]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/AW2-s.jpg)
| Nr. | Type | D | farge | Beskrivelse |
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| 142 | AV | 10C | rødoransje/sort | (150.000) | - | 0.58 | 0.58 | - | USD |
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| 143 | AV1 | 15C | karmin/sort | (140.000) | - | 1.74 | 1.16 | - | USD |
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| 144 | AV2 | 25C | blå/sort | (42.000) | - | 0.87 | 0.58 | - | USD |
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| 145 | AV3 | 50C | guloransje/sort | (21.500) | - | 9.29 | 4.65 | - | USD |
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| 146 | AW | 1B | rødbrun/sort | (48.000) | - | 2.32 | 1.74 | - | USD |
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| 147 | AW1 | 2B | brunsort/sort | (20.000) | - | 17.43 | 9.29 | - | USD |
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| 148 | AW2 | 5B | fiolett/sort | (10.000) | - | 17.43 | 13.94 | - | USD |
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| 142‑148 | - | 49.66 | 31.94 | - | USD |
