Ditunjukkan sekarang: Sierra Leone - Setem-setem bayaran pos (1970 - 1979) - 19 Setem-setem.
1. March WM: Tiada Perforasi: Imperforated
![[Changeover to Driving on the Right of the Road, jenis DZ]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DZ-s.jpg)
![[Changeover to Driving on the Right of the Road, jenis DZ1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DZ1-s.jpg)
1. March WM: Tiada
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, jenis BI4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BI4-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, jenis BF3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BF3-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, jenis BS3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BS3-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, jenis DI1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DI1-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, jenis DI2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DI2-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 549 | BI4 | 10/2C/P | pelbagai warna/hitam | 0.85 | - | 0.57 | - | USD |
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| 550 | BF3 | 20/1C/Sh | kuning/ungu kekelabuan | 1.14 | - | 0.85 | - | USD |
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| 551 | BS3 | 50/1C/P | pelbagai warna | 2.27 | - | 2.27 | - | USD |
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| 552 | DI1 | 70/30C | pelbagai warna | 4.54 | - | 4.54 | - | USD |
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| 553 | DI2 | 1/30Le/C | pelbagai warna | 5.68 | - | 5.68 | - | USD |
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| 549‑553 | 14.48 | - | 13.91 | - | USD |
27. April WM: Tiada Perforasi: Imperforated
![[The 10th Anniversary of Independence, jenis EA]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EA-s.jpg)
![[The 10th Anniversary of Independence, jenis EA1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EA1-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 554 | EA | 2C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 555 | EA1 | 3½C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 556 | EA2 | 10C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 557 | EA3 | 12½C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 558 | EA4 | 40C | pelbagai warna | 0.85 | - | 0.85 | - | USD |
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| 559 | EA5 | 1Le | pelbagai warna | 2.27 | - | 2.27 | - | USD |
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| 554‑559 | 4.24 | - | 4.24 | - | USD |
27. April WM: Tiada Perforasi: Imperforated
![[Airmail - The 10th Anniversary of Independence, jenis EB]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB-s.jpg)
![[Airmail - The 10th Anniversary of Independence, jenis EB1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB1-s.jpg)
![[Airmail - The 10th Anniversary of Independence, jenis EB2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB2-s.jpg)
![[Airmail - The 10th Anniversary of Independence, jenis EB3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB3-s.jpg)
![[Airmail - The 10th Anniversary of Independence, jenis EB4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB4-s.jpg)
![[Airmail - The 10th Anniversary of Independence, jenis EB5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB5-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 560 | EB | 7½C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 561 | EB1 | 9½C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 562 | EB2 | 15C | pelbagai warna | 0.28 | - | 0.28 | - | USD |
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| 563 | EB3 | 25C | pelbagai warna | 0.57 | - | 0.57 | - | USD |
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| 564 | EB4 | 75C | pelbagai warna | 2.27 | - | 2.27 | - | USD |
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| 565 | EB5 | 2Le | pelbagai warna | 9.08 | - | 9.08 | - | USD |
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| 560‑565 | 12.76 | - | 12.76 | - | USD |
