The Professor´s Langevin and Jean Perrin 1948
Now showing: France - Postage stamps - 1948 - The Professor´s Langevin and Jean Perrin - 2 stamps.
1948
The Professor´s Langevin and Jean Perrin
17. November WM: None Sheetsize: 100 Design: Charles Mazelin et Pierre Gandon Engraving: Charles Mazelin et Pierre Gandon Perforation: 14 x 13½
![[The Professor´s Langevin and Jean Perrin, type OR]](https://www.stampworld.com/media/catalogue/France/Postage-stamps/OR-s.jpg)
![[The Professor´s Langevin and Jean Perrin, type OS]](https://www.stampworld.com/media/catalogue/France/Postage-stamps/OS-s.jpg)
