Helderse Postzegelhandel : Timbre de vânzare - São Tomé şi Príncipe
1920-1929Prezentat acum: São Tomé şi Príncipe - Timbre poştale (1914 - 1919) - 3 timbre.
11. Aprilie WM: Niciunul Perforare: 12 x 11½
![[Ceres, Tip X21]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/X21-s.jpg)
11. Aprilie WM: Niciunul Perforare: 12 x 11½
![[Ceres, Tip X22]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/X22-s.jpg)
11. Aprilie WM: Niciunul Perforare: 12 x 11½
![[Ceres, Tip X23]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/X23-s.jpg)