International Organization Standardization 30 mk — Finland, 1961
International Organization Standardization (Finland, 1961), face value 30 mk. Photo, catalogue value, details and photo identification.
- Issue date
- 1961
- Face value
- 30 mk
- Colors
- Ochre brown | Russian green
- Print run
- 1,997,001
- Yvert
- FI 511
- Michel
- FI 535
- Stanley Gibbons
- FI 626
- Scott
- FI 383