Now showing: Port Arthur and Dairen - Postage stamps (1946 - 1950) - 18 stamps.
20. February WM: None Perforation: 13 x 13½
![[Japan and Manchukuo Postage Stamps Surcharged, type M]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/M-s.jpg)
![[Japan and Manchukuo Postage Stamps Surcharged, type M1]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/M1-s.jpg)
![[Japan and Manchukuo Postage Stamps Surcharged, type M2]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/M2-s.jpg)
May WM: None Perforation: 13 x 13½
![[Japan and Manchukuo Postage Stamps Surcharged, type N6]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/N6-s.jpg)
| No. | Type | D | Color | Description |
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| 48 | N | 5/3$/S | dark bluish green | 104 | - | 104 | - | USD |
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| 49 | N1 | 10/1$/F | carmine brown | 208 | - | 260 | - | USD |
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| 50 | N2 | 50/1$/F | carmine brown | - | - | - | - | USD |
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| 51 | N3 | 50/2$/F | green | 520 | - | 520 | - | USD |
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| 52 | N4 | 50/4$/F | yellowish olive | - | - | - | - | USD |
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| 53 | N5 | 100/2$/F | green | - | - | - | - | USD |
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| 54 | N6 | 100/4$/F | yellowish olive | 833 | - | 1,041 | - | USD |
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| 55 | N7 | 100/20$/F | brown | - | - | - | - | USD |
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| 48‑55 | 1,666 | - | 1,927 | - | USD |
June WM: None Perforation: 13 x 13½
![[Manchukou Postage Stamps Surcharged as Previous - Thinner Overprint, type O]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/O-s.jpg)
November WM: None Perforation: 13 x 13½
![[Manchukuo Postage Stamps Overprinted, type Q2]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/Q2-s.jpg)
15. November WM: None Perforation: 13 x 13½
![[Manchukuo Postage Stamps Overprinted, type P]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/P-s.jpg)
![[Manchukuo Postage Stamps Overprinted, type P1]](https://www.stampworld.com/media/catalogue/Port-Arthur-and-Dairen/Postage-stamps/P1-s.jpg)
