Praegu kuvatakse: Ühendriigid - lennuposti margid (1918 - 2012) - 7 margid.
1941 -1944
Twin-Motor Transport Plane
WM: mitte ükski perforatsioon: 11 x 10½
![[Twin-Motor Transport Plane, Tüüp P]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P4]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P5]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, Tüüp P6]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| Nr | Tüüp | D | Värv | Kirjeldus |
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| 25 | P | 6C | karmiinpunane | (4477 mill) | 0,28 | - | 0,28 | 2,23 | USD |
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| 26 | P1 | 8C | oliiviroheline | (1745 mill) | 0,28 | - | 0,28 | 3,35 | USD |
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| 27 | P2 | 10C | violett | (67 mill) | 1,12 | - | 0,28 | 8,93 | USD |
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| 28 | P3 | 15C | karmiinpruun | (78 mill) | 2,23 | - | 0,28 | 11,16 | USD |
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| 29 | P4 | 20C | heleroheline | (42 mill) | 2,23 | - | 0,28 | 13,39 | USD |
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| 30 | P5 | 30C | sinine | (60 mill) | 2,23 | - | 0,56 | 22,32 | USD |
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| 31 | P6 | 50C | oranž | (11 mill) | 11,16 | - | 2,79 | 33,48 | USD |
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| 25‑31 | 19,53 | - | 4,75 | 94,86 | USD |
