4th World Congress of Trade Unions, Leipzig 40 Soviet kopek — USSR, 1957
4th World Congress of Trade Unions, Leipzig (USSR, 1957), face value 40 Soviet kopek. Photo, catalogue value, details and photo identification.
- Series
- 4th World Congress of Trade Unions, Leipzig
- Issue date
- 1957
- Face value
- 40 Soviet kopek
- Colors
- Black violet