Japan
Now showing: Japan - Postage stamps (1871 - 2019) - 1 stamps.
1994
Achievement of Initial Critical Mass in Monju Nuclear Fast Breeder Reactor, Tsuruga
24. May WM: None Perforation: 13
![[Achievement of Initial Critical Mass in Monju Nuclear Fast Breeder Reactor, Tsuruga, type COE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Japan/Postage-stamps/COE-s.jpg)
