Robert Koch (1843-1910), bacterium, microscope
56%
Country: | Somalia |
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Issue: | 100th anniv. of the discovery of tuberculosis by R |
Date: | 1982-12-30 |
Print: | Photogravure |
Perforation: | comb 14¼ x 14 |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 5.80+0.60 Somali shilling |