Algeria
Prezentat acum: Algeria - Timbre poştale (1924 - 2024) - 1 timbre.
1981
Day of Knowledge
16. Aprilie WM: Niciunul Marimea foii: 25 Gravură: Héliogravure Perforare: 11¾
![[Day of Knowledge, Tip SH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Algeria/Postage-stamps/SH-s.jpg)
![[Day of Knowledge, Tip SI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Algeria/Postage-stamps/SI-s.jpg)