Dr. Robert Koch (1843-1910) TB Bacillus 6 s — Guinea, 1983
Dr. Robert Koch (1843-1910) TB Bacillus (Guinea, 1983), face value 6 s, “The 100th Anniversary of Discovery of Tubercle Bacillus” series. Photo, catalogue…
- Series
- The 100th Anniversary of Discovery of Tubercle Bacillus
- Issue date
- 1983
- Face value
- 6 s
- Colors
- Multicolor
- Perforation
- comb 13¼
- Printing
- Photogravure