Zobrazujú sa: Svatý Tomáš a Princov ostrov - Poštové známky (1950 - 1959) - 7 známky.
1952
The 1st Congress on Tropical Medicine, Lisbon
5. máj WM: nikto Perforácia: 13¼
![[The 1st Congress on Tropical Medicine, Lisbon, typ BO]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BO-s.jpg)
1952
Portuguese Explorers
27. august WM: nikto Perforácia: 14¼
![[Portuguese Explorers, typ BP]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BP-s.jpg)
![[Portuguese Explorers, typ BQ]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BQ-s.jpg)
![[Portuguese Explorers, typ BR]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BR-s.jpg)
![[Portuguese Explorers, typ BS]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BS-s.jpg)
![[Portuguese Explorers, typ BT]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BT-s.jpg)
![[Portuguese Explorers, typ BU]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BU-s.jpg)
| Číslo | Typ | D | Farba | Popis |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 393 | BP | 10C | viacfarebná | Joao de Santarem | 0,26 | - | 0,26 | - | USD |
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| 394 | BQ | 30C | viacfarebná | Pedro Escobar | 0,26 | - | 0,26 | - | USD |
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| 395 | BR | 50C | viacfarebná | Fernao de Po | 0,26 | - | 0,26 | - | USD |
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| 396 | BS | 1E | viacfarebná | Alvaro Esteves | 1,05 | - | 0,26 | - | USD |
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| 397 | BT | 2E | viacfarebná | Lopo Goncalves | 0,79 | - | 0,26 | - | USD |
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| 398 | BU | 3.50E | viacfarebná | Martim Fernandes | 0,79 | - | 0,26 | - | USD |
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| 393‑398 | 3,41 | - | 1,56 | - | USD |
