Bulgarien
Viser nu Bulgarien - Post frimærker (1879 - 2024) - 1 frimærker.
2005
The 100th Anniversary of the Discovery of Lactobacillus Bulgaricus
31. oktober VM: Ingen Perforeringer: Imperforated
![[The 100th Anniversary of the Discovery of Lactobacillus Bulgaricus, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/4738-b.jpg)
