Viser nu Bolivia - Post frimærker (1920 - 1929) - 7 frimærker.
1924
Airmail - Establishment of the National Aviation School
december VM: Ingen Gravering: Perkins, Bacon & Co. Perforeringer: 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 | Farve | Beskrivelse |
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| 142 | AV | 10C | Rødlig orange/Sort | (150.000) | - | 0,56 | 0,56 | - | USD |
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| 143 | AV1 | 15C | Karmin/Sort | (140.000) | - | 1,68 | 1,12 | - | USD |
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| 144 | AV2 | 25C | Blå/Sort | (42.000) | - | 0,84 | 0,56 | - | USD |
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| 145 | AV3 | 50C | Orange gul/Sort | (21.500) | - | 8,94 | 4,47 | - | USD |
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| 146 | AW | 1B | Rødbrun/Sort | (48.000) | - | 2,23 | 1,68 | - | USD |
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| 147 | AW1 | 2B | Sortbrun/Sort | (20.000) | - | 16,76 | 8,94 | - | USD |
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| 148 | AW2 | 5B | Violet/Sort | (10.000) | - | 16,76 | 13,41 | - | USD |
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| 142‑148 | - | 47,77 | 30,74 | - | USD |
