Mongolja
Muri Bhalissa: Mongolja - Bolol tal-posta (1924 - 2024) - 1 bolol.
1980
The 350th Anniversary of Johannes Kepler
10. December WM: Xejn Qies ta'karta: 1 Perforazzjoni: 11½ x 10¾
![[The 350th Anniversary of Johannes Kepler, Tip ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/1346-b.jpg)
