Finlanda
Prezentat acum: Finlanda - Timbre poştale (1856 - 2024) - 1 timbre.
1978
International Mathematics congress
15. August WM: Niciunul Design: Paavo Huovinen Perforare: 14
![[International Mathematics congress, Tip UT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Finland/Postage-stamps/UT-s.jpg)