Bulgarien
Viser nu Bulgarien - Post frimærker (1879 - 2024) - 1 frimærker.
1993
The 350th Anniversary of the Birth of Isaac Newton, 1643-1727
29. oktober VM: Ingen Perforeringer: 13¼ x 13
![[The 350th Anniversary of the Birth of Isaac Newton, 1643-1727, type ERX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/ERX-s.jpg)
