Sierra Leone
Viser nå: Sierra Leone - Postfrimerker (1859 - 2018) - 1 frimerker.
2016
The 100th Anniversary Since Albert Einstein Pubishes the Theory of Relativity
29. April VM: Ingen Perforering: 13¼
![[The 100th Anniversary Since Albert Einstein Pubishes the Theory of Relativity, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/7253-b.jpg)