Sýni: Saó Tóme og Prinsípe - Venjuleg frímerki (1869 - 2021) - 7 frímerki.
1952
The 1st Congress on Tropical Medicine, Lisbon
5. maí WM: Ekkert Götun: 13¼
![[The 1st Congress on Tropical Medicine, Lisbon, tegund BO]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BO-s.jpg)
1952
Portuguese Explorers
27. ágúst WM: Ekkert Götun: 14¼
![[Portuguese Explorers, tegund BP]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BP-s.jpg)
![[Portuguese Explorers, tegund BQ]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BQ-s.jpg)
![[Portuguese Explorers, tegund BR]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BR-s.jpg)
![[Portuguese Explorers, tegund BS]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BS-s.jpg)
![[Portuguese Explorers, tegund BT]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BT-s.jpg)
![[Portuguese Explorers, tegund BU]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BU-s.jpg)
| Númer | Tegund | D | Litur | Lýsing |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 393 | BP | 10C | marglitað | Joao de Santarem | 0,29 | - | 0,29 | - | USD |
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| 394 | BQ | 30C | marglitað | Pedro Escobar | 0,29 | - | 0,29 | - | USD |
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| 395 | BR | 50C | marglitað | Fernao de Po | 0,29 | - | 0,29 | - | USD |
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| 396 | BS | 1E | marglitað | Alvaro Esteves | 1,15 | - | 0,29 | - | USD |
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| 397 | BT | 2E | marglitað | Lopo Goncalves | 0,87 | - | 0,29 | - | USD |
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| 398 | BU | 3.50E | marglitað | Martim Fernandes | 0,87 | - | 0,29 | - | USD |
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| 393‑398 | 3,76 | - | 1,74 | - | USD |
