Сега показвам: Съединените Щати - Въздушна поща марки (1918 - 2012) - 7 марки.
1941 -1944
Twin-Motor Transport Plane
воден знак: Никой Пробиване: 11 x 10½
![[Twin-Motor Transport Plane, тип P]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, тип P1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, тип P2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, тип P3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, тип P4]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, тип P5]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, тип P6]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| № | Тип | Д | Цвят | Описание |
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| 25 | P | 6C | кармин червен | (4477 mill) | 0,27 | - | 0,27 | 2,17 | USD |
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| 26 | P1 | 8C | маслинено зелен | (1745 mill) | 0,27 | - | 0,27 | 3,25 | USD |
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| 27 | P2 | 10C | виолетов | (67 mill) | 1,08 | - | 0,27 | 8,67 | USD |
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| 28 | P3 | 15C | кафяв червено | (78 mill) | 2,17 | - | 0,27 | 10,84 | USD |
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| 29 | P4 | 20C | светло зелен | (42 mill) | 2,17 | - | 0,27 | 13,01 | USD |
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| 30 | P5 | 30C | син | (60 mill) | 2,17 | - | 0,54 | 21,68 | USD |
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| 31 | P6 | 50C | оранжево | (11 mill) | 10,84 | - | 2,71 | 32,52 | USD |
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| 25‑31 | 18,97 | - | 4,60 | 92,14 | USD |
