Coreea de Sud
Prezentat acum: Coreea de Sud - Timbre poştale (1946 - 2024) - 1 timbre.
2000
International Mathematical Olympiad (High School Mathematics Competition)
13. Iulie WM: Niciunul Perforare: 13 x 13¼
![[International Mathematical Olympiad (High School Mathematics Competition), Tip BRT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/South-Korea/Postage-stamps/BRT-s.jpg)
