5 Whooper Swans (Cygnus cygnus) 20 mk — Finland, 1956
5 Whooper Swans (Cygnus cygnus) (Finland, 1956), face value 20 mk, “Nordic Day - 1956” series. Photo, catalogue value, details and photo identification.
- Series
- Nordic Day - 1956
- Issue date
- 1956
- Face value
- 20 mk
- Colors
- Crimson lake
- Print run
- 5,000,000