50th Anniversary of Petrov Cancer Research Institute 4 Soviet kopek — USSR, 1976
50th Anniversary of Petrov Cancer Research Institute (USSR, 1976), face value 4 Soviet kopek. Photo, catalogue value, details and photo identification.
- Issue date
- 1976
- Face value
- 4 Soviet kopek
- Colors
- Deep lilac | Gold | Violet blue
- Print run
- 3,400,000