Now showing: Sierra Leone - Postage stamps (1970 - 1979) - 145 stamps.
3. October WM: None Perforation: Imperforated
![[Airmail - Diamond, Coconut and Eagle, type DW]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW1-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW2-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW3-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW4-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW5-s.jpg)
![[Airmail - Diamond, Coconut and Eagle, type DW6]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DW6-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 528 | DW | 7½C | red/golden | 0.53 | - | 0.53 | - | USD |
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| 529 | DW1 | 9½C | yellowish green/golden | 0.53 | - | 0.53 | - | USD |
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| 530 | DW2 | 15C | greenish blue/silver | 0.79 | - | 0.79 | - | USD |
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| 531 | DW3 | 25C | purple/golden | 1.05 | - | 1.05 | - | USD |
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| 532 | DW4 | 50C | multicoloured/greenish blue | 3.16 | - | 3.16 | - | USD |
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| 533 | DW5 | 1Le | silver/violet blue | 8.44 | - | 8.44 | - | USD |
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| 534 | DW6 | 2Le | golden/blue | 15.82 | - | 15.82 | - | USD |
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| 528‑534 | 30.32 | - | 30.32 | - | USD |
30. December WM: None Perforation: Imperforated
![[Diamond Industry, type DX]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX-s.jpg)
![[Diamond Industry, type DX1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX1-s.jpg)
![[Diamond Industry, type DX2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX2-s.jpg)
![[Diamond Industry, type DX3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX3-s.jpg)
![[Diamond Industry, type DX4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX4-s.jpg)
![[Diamond Industry, type DX5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DX5-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 535 | DX | 2C | multicoloured | 0.53 | - | 0.26 | - | USD |
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| 536 | DX1 | 3½C | multicoloured | 0.53 | - | 0.26 | - | USD |
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| 537 | DX2 | 10C | multicoloured | 0.79 | - | 0.26 | - | USD |
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| 538 | DX3 | 12½C | multicoloured | 1.05 | - | 0.53 | - | USD |
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| 539 | DX4 | 40C | multicoloured | 4.22 | - | 1.05 | - | USD |
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| 540 | DX5 | 1Le | multicoloured | 15.82 | - | 12.65 | - | USD |
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| 535‑540 | 22.94 | - | 15.01 | - | USD |
30. December WM: None Perforation: Imperforated
![[Airmail - Diamond Industry, type DY]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY-s.jpg)
![[Airmail - Diamond Industry, type DY1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY1-s.jpg)
![[Airmail - Diamond Industry, type DY2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY2-s.jpg)
![[Airmail - Diamond Industry, type DY3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY3-s.jpg)
![[Airmail - Diamond Industry, type DY4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY4-s.jpg)
![[Airmail - Diamond Industry, type DY5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DY5-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 541 | DY | 7½C | multicoloured | 0.79 | - | 0.26 | - | USD |
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| 542 | DY1 | 9½C | multicoloured | 1.05 | - | 0.26 | - | USD |
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| 543 | DY2 | 15C | multicoloured | 1.58 | - | 0.53 | - | USD |
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| 544 | DY3 | 25C | multicoloured | 2.64 | - | 0.79 | - | USD |
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| 545 | DY4 | 75C | multicoloured | 10.54 | - | 6.33 | - | USD |
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| 546 | DY5 | 2Le | multicoloured | 42.18 | - | 31.63 | - | USD |
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| 541‑546 | 58.78 | - | 39.80 | - | USD |
1. March WM: None Perforation: Imperforated
![[Changeover to Driving on the Right of the Road, type DZ]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DZ-s.jpg)
![[Changeover to Driving on the Right of the Road, type DZ1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DZ1-s.jpg)
1. March WM: None
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, type BI4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BI4-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, type BF3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BF3-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, type BS3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/BS3-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, type DI1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DI1-s.jpg)
![[Airmail - Various Stamps Overprinted "AIRMAIL" and Surcharged Value, type DI2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/DI2-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 549 | BI4 | 10/2C/P | multicoloured/black | 0.79 | - | 0.53 | - | USD |
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| 550 | BF3 | 20/1C/Sh | yellow/greyish purple | 1.05 | - | 0.79 | - | USD |
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| 551 | BS3 | 50/1C/P | multicoloured | 2.11 | - | 2.11 | - | USD |
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| 552 | DI1 | 70/30C | multicoloured | 4.22 | - | 4.22 | - | USD |
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| 553 | DI2 | 1/30Le/C | multicoloured | 5.27 | - | 5.27 | - | USD |
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| 549‑553 | 13.44 | - | 12.92 | - | USD |
27. April WM: None Perforation: Imperforated
![[The 10th Anniversary of Independence, type EA]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EA-s.jpg)
![[The 10th Anniversary of Independence, type EA1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EA1-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 554 | EA | 2C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 555 | EA1 | 3½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 556 | EA2 | 10C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 557 | EA3 | 12½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 558 | EA4 | 40C | multicoloured | 0.79 | - | 0.79 | - | USD |
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| 559 | EA5 | 1Le | multicoloured | 2.11 | - | 2.11 | - | USD |
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| 554‑559 | 3.94 | - | 3.94 | - | USD |
27. April WM: None Perforation: Imperforated
![[Airmail - The 10th Anniversary of Independence, type EB]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB-s.jpg)
![[Airmail - The 10th Anniversary of Independence, type EB1]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB1-s.jpg)
![[Airmail - The 10th Anniversary of Independence, type EB2]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB2-s.jpg)
![[Airmail - The 10th Anniversary of Independence, type EB3]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB3-s.jpg)
![[Airmail - The 10th Anniversary of Independence, type EB4]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB4-s.jpg)
![[Airmail - The 10th Anniversary of Independence, type EB5]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/EB5-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 560 | EB | 7½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 561 | EB1 | 9½C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 562 | EB2 | 15C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 563 | EB3 | 25C | multicoloured | 0.53 | - | 0.53 | - | USD |
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| 564 | EB4 | 75C | multicoloured | 2.11 | - | 2.11 | - | USD |
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| 565 | EB5 | 2Le | multicoloured | 8.44 | - | 8.44 | - | USD |
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| 560‑565 | 11.86 | - | 11.86 | - | USD |
