Penicillin Mould 1 s — United Kingdom, 1967
Penicillin Mould (United Kingdom, 1967), face value 1 s, “Discoveries” series. Photo, catalogue value, details and photo identification.
- Series
- Discoveries
- Issue date
- 1967
- Face value
- 1 s
- Colors
- Multicolor
- Print run
- 10,718,389