Description:100th anniversary of the discovery of Lactobacillus Bulgaricus
Dr. Stamen Grigorov (1878-1945) - the discoverer of Lactobacillus Bulgaricus used for the production of yoghurt (yogurt)
Date of issue: 31.10.2005
Denomination&Quantity: 0.80 Leva - 30 000
Stamp size: 32.5 x 43 mm
Perforation: 13
Souvenir sheet: 93 x 83 mm
Printing process: offset
Designer: Natalia Kuruch
