Japan
Viser nu Japan - Post frimærker (1871 - 2019) - 1 frimærker.
1991
International Conference on Materials and Mechanism of Superconductivity, Kanazawa
19. juli VM: Ingen Perforeringer: 13¼
![[International Conference on Materials and Mechanism of Superconductivity, Kanazawa, type CHJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Japan/Postage-stamps/CHJ-s.jpg)
