Hong Kong
Praegu kuvatakse: Hong Kong - postmargid (1862 - 2024) - 1 margid.
2016
The 57th International Mathematical Olympiad - Honk Kong, China
6. juuli WM: mitte ükski Disain: Carl Cheng Chi Ming perforatsioon: 14
![[The 57th International Mathematical Olympiad - Honk Kong, China, Tüüp ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Hong-Kong/Postage-stamps/2012-b.jpg)
