Now showing: United States - Airmail stamps (1940 - 1949) - 21 stamps.
WM: None Perforation: 11 x 10½
![[Twin-Motor Transport Plane, type P]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P-s.jpg)
![[Twin-Motor Transport Plane, type P1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P1-s.jpg)
![[Twin-Motor Transport Plane, type P2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P2-s.jpg)
![[Twin-Motor Transport Plane, type P3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P3-s.jpg)
![[Twin-Motor Transport Plane, type P4]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P4-s.jpg)
![[Twin-Motor Transport Plane, type P5]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P5-s.jpg)
![[Twin-Motor Transport Plane, type P6]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/P6-s.jpg)
| No. | Type | D | Color | Description |
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| 25 | P | 6C | carmine red | (4477 mill) | 0.27 | - | 0.27 | 2.13 | USD |
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| 26 | P1 | 8C | olive green | (1745 mill) | 0.27 | - | 0.27 | 3.19 | USD |
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| 27 | P2 | 10C | violet | (67 mill) | 1.06 | - | 0.27 | 8.51 | USD |
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| 28 | P3 | 15C | brown carmine | (78 mill) | 2.13 | - | 0.27 | 10.64 | USD |
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| 29 | P4 | 20C | light green | (42 mill) | 2.13 | - | 0.27 | 12.77 | USD |
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| 30 | P5 | 30C | blue | (60 mill) | 2.13 | - | 0.53 | 21.29 | USD |
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| 31 | P6 | 50C | orange | (11 mill) | 10.64 | - | 2.66 | 31.93 | USD |
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| 25‑31 | 18.63 | - | 4.54 | 90.46 | USD |
25. September WM: None Perforation: 11 x 10½
![[DC-4 Skymaster, type Q]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/Q-s.jpg)
WM: None Perforation: 10½ x 11
![[DC-4 Skymaster, type R]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/R-s.jpg)
![[DC-4 Skymaster, type R1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/R1-s.jpg)
![[DC-4 Skymaster, type R2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/R2-s.jpg)
![[DC-4 Skymaster, type R3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/R3-s.jpg)
| No. | Type | D | Color | Description |
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| 33 | R | 5C | carmine | (972 mill) | 0.27 | - | 0.27 | 1.60 | USD |
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| 33A* | R1 | 5C | carmine | Coil stamp - Perf: 10 vertical | (33 mill) | 0.80 | - | 0.53 | 1.60 | USD |
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| 34 | R2 | 6C | carmine | (5070 mill) | 0.27 | - | 0.27 | 1.06 | USD |
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| 34A* | R3 | 6C | carmine | Coil stamp - Perf: 10 horizontal | (260 mill) | 2.66 | - | 0.27 | 1.06 | USD |
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| 33‑34 | Set (* Stamp not included in this set) | 0.54 | - | 0.54 | 2.66 | USD |
WM: None Perforation: 11 x 10½
![[New Airmail Stamps, type S]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/S-s.jpg)
![[New Airmail Stamps, type T]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/T-s.jpg)
![[New Airmail Stamps, type U]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/U-s.jpg)
| No. | Type | D | Color | Description |
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| 35 | S | 10C | black | Pan American Union Building, Washington DC | (208 mill) | 0.27 | - | 0.27 | 1.60 | USD |
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| 36 | T | 15C | green | Statue of Liberty & New York Skyline | (756 mill) | 0.27 | - | 0.27 | 1.60 | USD |
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| 37 | U | 25C | blue | San Fransisco-Oakland Bay Bridge | (133 mill) | 0.53 | - | 0.27 | 2.66 | USD |
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| 35‑37 | 1.07 | - | 0.81 | 5.86 | USD |
31. July WM: None Perforation: 11 x 10½
![[Map of New York City, type V]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/V-s.jpg)
WM: None Perforation: 11 x 10½
![[The 200th Anniversary of Alexandria, Virginia, type W]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/W-s.jpg)
WM: None Perforation: 11 x 10½
![[Universal Postal Union Issue, type X]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/X-s.jpg)
![[Universal Postal Union Issue, type Y]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/Y-s.jpg)
![[Universal Postal Union Issue, type Z]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/Z-s.jpg)
17. December WM: None Perforation: 11 x 10½
![[The 46th Anniversary of the Wright Brothers First Flight, type AA]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AA-s.jpg)
