49th International Physics Olympiad 0.53 € — Portugal, 2018
49th International Physics Olympiad (Portugal, 2018), face value 0.53 €, “49th International Physics Olympiad, IPhO 2018” series. Photo, catalogue value…
- Series
- 49th International Physics Olympiad, IPhO 2018
- Issue date
- 2018
- Face value
- 0.53 €
- Colors
- Multicolor
- Print run
- 125,000
- Yvert
- PT 4398
- Michel
- PT 4415
- Stanley Gibbons
- PT 4644
- Scott
- PT 4050