Montre maintenant: États-Unis - Timbres poste aérienne (1918 - 2012) - 7 Timbres-poste.
1941 -1944
Twin-Motor Transport Plane
WM: Aucun Perforation: 11 x 10½
![[Twin-Motor Transport Plane, type P]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, type P1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, type P2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, type P3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, type P4]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, type P5]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, type P6]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| No. | Genre | D | Couleur | Description |
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| 25 | P | 6C | rouge carmin | O | (4477 mill) | 0,27 | - | 0,27 | 2,14 | USD |
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| 26 | P1 | 8C | vert olive | (1745 mill) | 0,27 | - | 0,27 | 3,22 | USD |
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| 27 | P2 | 10C | violet | O | (67 mill) | 1,07 | - | 0,27 | 8,57 | USD |
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| 28 | P3 | 15C | marron carmin | (78 mill) | 2,14 | - | 0,27 | 10,72 | USD |
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| 29 | P4 | 20C | vert clair | (42 mill) | 2,14 | - | 0,27 | 12,86 | USD |
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| 30 | P5 | 30C | bleu | (60 mill) | 2,14 | - | 0,54 | 21,44 | USD |
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| 31 | P6 | 50C | orange | (11 mill) | 10,72 | - | 2,68 | 32,15 | USD |
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| 25‑31 | 18,75 | - | 4,57 | 91,10 | USD |
