Mali
Now showing: Mali - Postage stamps (1959 - 2023) - 1 stamps.
1977
Airmail - The 250th Anniversary of the Death of Isaac Newton, 1643-1727
7. March WM: None Perforation: 13
![[Airmail - The 250th Anniversary of the Death of Isaac Newton, 1643-1727, type SL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mali/Postage-stamps/SL-s.jpg)