Zobrazujú sa: Spojené štáty - letecká pošta - známky (1918 - 2012) - 7 známky.
1941 -1944
Twin-Motor Transport Plane
WM: nikto Perforácia: 11 x 10½
![[Twin-Motor Transport Plane, typ P]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, typ P1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, typ P2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, typ P3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, typ P4]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, typ P5]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, typ P6]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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| 25 | P | 6C | karmínovo červená | (4477 mill) | 0,27 | - | 0,27 | 2,19 | USD |
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| 26 | P1 | 8C | olivovo zelená | (1745 mill) | 0,27 | - | 0,27 | 3,29 | USD |
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| 27 | P2 | 10C | fialová | (67 mill) | 1,10 | - | 0,27 | 8,77 | USD |
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| 28 | P3 | 15C | hnedo karmínová | (78 mill) | 2,19 | - | 0,27 | 10,96 | USD |
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| 29 | P4 | 20C | svetlo zelená | (42 mill) | 2,19 | - | 0,27 | 13,15 | USD |
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| 30 | P5 | 30C | modrá | (60 mill) | 2,19 | - | 0,55 | 21,92 | USD |
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| 31 | P6 | 50C | oranžová | (11 mill) | 10,96 | - | 2,74 | 32,88 | USD |
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| 25‑31 | 19,17 | - | 4,64 | 93,16 | USD |
