Airmail - World Fair "EXPO '70" - Osaka, Japan 1970
Now showing: Sierra Leone - Postage stamps - 1970 - Airmail - World Fair "EXPO '70" - Osaka, Japan - 6 stamps.
1970
Airmail - World Fair "EXPO '70" - Osaka, Japan
22. June WM: None Perforation: Imperforated
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT-s.jpg)
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT1-s.jpg)
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT2-s.jpg)
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT3-s.jpg)
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT4-s.jpg)
![[Airmail - World Fair "EXPO '70" - Osaka, Japan, type DT5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DT5-s.jpg)
| No. | Type | D | Color | Description |
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| 507 | DT | 7½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 508 | DT1 | 9½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 509 | DT2 | 15C | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 510 | DT3 | 25C | multicoloured | 0.78 | - | 0.78 | - | USD |
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| 511 | DT4 | 50C | multicoloured | 1.57 | - | 1.57 | - | USD |
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| 512 | DT5 | 3Le | multicoloured | 10.46 | - | 10.46 | - | USD |
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| 507‑512 | 13.85 | - | 13.85 | - | USD |
