Sierra Leone
Now showing: Sierra Leone - Postage stamps (1859 - 2018) - 1 stamps.
2016
The 100th Anniversary Since Albert Einstein Pubishes the Theory of Relativity
29. April WM: None Perforation: 13¼
![[The 100th Anniversary Since Albert Einstein Pubishes the Theory of Relativity, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/7257-b.jpg)