Corea del Sud
Ora in esposizione: Corea del Sud - Francobolli postali (1946 - 2024) - 1 francobolli.
2000
International Mathematical Olympiad (High School Mathematics Competition)
13. Luglio WM: Nessuno Dentellatura: 13 x 13¼
![[International Mathematical Olympiad (High School Mathematics Competition), Scrivi BRT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/South-Korea/Postage-stamps/BRT-s.jpg)
