Visar nu: São Tomé och Principe - Postfrimärken (1950 - 1959) - 7 frimärken.
1952
The 1st Congress on Tropical Medicine, Lisbon
5. maj WM: Inga Perforering: 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. augusti WM: Inga Perforering: 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)
| Nummer | Typ | D | Färg | Beskrivning |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 393 | BP | 10C | flerfärgad | Joao de Santarem | 0,29 | - | 0,29 | - | USD |
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| 394 | BQ | 30C | flerfärgad | Pedro Escobar | 0,29 | - | 0,29 | - | USD |
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| 395 | BR | 50C | flerfärgad | Fernao de Po | 0,29 | - | 0,29 | - | USD |
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| 396 | BS | 1E | flerfärgad | Alvaro Esteves | 1,14 | - | 0,29 | - | USD |
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| 397 | BT | 2E | flerfärgad | Lopo Goncalves | 0,86 | - | 0,29 | - | USD |
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| 398 | BU | 3.50E | flerfärgad | Martim Fernandes | 0,86 | - | 0,29 | - | USD |
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| 393‑398 | 3,73 | - | 1,74 | - | USD |
