Now showing: Sao Tome And Principe - Postage stamps (1950 - 1959) - 7 stamps.
1952
The 1st Congress on Tropical Medicine, Lisbon
5. May WM: None Perforation: 13¼
![[The 1st Congress on Tropical Medicine, Lisbon, type BO]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BO-s.jpg)
1952
Portuguese Explorers
27. August WM: None Perforation: 14¼
![[Portuguese Explorers, type BP]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BP-s.jpg)
![[Portuguese Explorers, type BQ]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BQ-s.jpg)
![[Portuguese Explorers, type BR]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BR-s.jpg)
![[Portuguese Explorers, type BS]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BS-s.jpg)
![[Portuguese Explorers, type BT]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BT-s.jpg)
![[Portuguese Explorers, type BU]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BU-s.jpg)
| No. | Type | D | Color | Description |
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| 393 | BP | 10C | multicoloured | Joao de Santarem | 0.26 | - | 0.26 | - | USD |
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| 394 | BQ | 30C | multicoloured | Pedro Escobar | 0.26 | - | 0.26 | - | USD |
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| 395 | BR | 50C | multicoloured | Fernao de Po | 0.26 | - | 0.26 | - | USD |
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| 396 | BS | 1E | multicoloured | Alvaro Esteves | 1.06 | - | 0.26 | - | USD |
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| 397 | BT | 2E | multicoloured | Lopo Goncalves | 0.79 | - | 0.26 | - | USD |
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| 398 | BU | 3.50E | multicoloured | Martim Fernandes | 0.79 | - | 0.26 | - | USD |
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| 393‑398 | 3.42 | - | 1.56 | - | USD |
