57th International Mathematical Olympiad 2016 10 HK$ — Hong-Kong, 2016
57th International Mathematical Olympiad 2016 (Hong-Kong, 2016), face value 10 HK$. Photo, catalogue value, details and photo identification.
- Issue date
- 2016
- Face value
- 10 HK$
- Colors
- Multicolor
- Michel
- HK 2045