The 100th Anniversary of the Discovery of Lactobacillus Bulgaricus 2005
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2005
The 100th Anniversary of the Discovery of Lactobacillus Bulgaricus
31. October WM: None Perforation: Imperforated
![[The 100th Anniversary of the Discovery of Lactobacillus Bulgaricus, type ]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/4738-b.jpg)
