Praegu kuvatakse: Sao Tome ja Principe - Kasutatud margid (1920 - 1929) - 1 margid.
1920
Postage Due Stamp of 1904 Overprinted "REPUBLICA" in Green
18. mai WM: mitte ükski perforatsioon: 14
![[Postage Due Stamp of 1904 Overprinted "REPUBLICA" in Green, Tüüp A30]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-due-stamps/A30-s.jpg)
