Exploration of Mars 1990
Now showing: Sierra Leone - Postage stamps - 1990 - Exploration of Mars - 9 stamps.
1990
Exploration of Mars
15. January WM: None Perforation: 14
![[Exploration of Mars, type ]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/1376-b.jpg)
| No. | Type | D | Color | Description |
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| 1376 | AFK | 175Le | multicoloured | Johann Kepler (Astronomer) | 3.16 | - | 3.16 | - | USD |
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| 1377 | AFL | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1378 | AFM | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1379 | AFN | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1380 | AFO | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1381 | AFP | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1382 | AFQ | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1383 | AFR | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1384 | AFS | 175Le | multicoloured | 3.16 | - | 3.16 | - | USD |
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| 1376‑1384 | Minisheet | 31.63 | - | 31.63 | - | USD | |||||||||||
| 1376‑1384 | 28.44 | - | 28.44 | - | USD |
