Sedaj prikazano: Združene države - Znamke letalske pošte (1940 - 1949) - 7 znamke.
1941 -1944
Twin-Motor Transport Plane
WM: Nič Perforacija: 11 x 10½
![[Twin-Motor Transport Plane, tip P]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, tip P1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, tip P2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, tip P3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, tip P4]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, tip P5]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, tip P6]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| Št. | Tip | D | Barva | Opis |
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| 25 | P | 6C | karmin rdeča | (4477 mill) | 0,29 | - | 0,29 | 2,34 | USD |
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| 26 | P1 | 8C | olivno zelena | (1745 mill) | 0,29 | - | 0,29 | 3,52 | USD |
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| 27 | P2 | 10C | vijolična | (67 mill) | 1,17 | - | 0,29 | 9,38 | USD |
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| 28 | P3 | 15C | rjav karmin | (78 mill) | 2,34 | - | 0,29 | 11,72 | USD |
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| 29 | P4 | 20C | svetlo zelena | (42 mill) | 2,34 | - | 0,29 | 14,07 | USD |
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| 30 | P5 | 30C | modra | (60 mill) | 2,34 | - | 0,59 | 23,45 | USD |
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| 31 | P6 | 50C | oranžna | (11 mill) | 11,72 | - | 2,93 | 35,17 | USD |
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| 25‑31 | 20,49 | - | 4,97 | 99,65 | USD |
