Young Inventors at Play 50 Soviet kopek — USSR, 1938
Young Inventors at Play (USSR, 1938), face value 50 Soviet kopek, “Children of the USSR” series. Photo, catalogue value, details and photo identification.
- Series
- Children of the USSR
- Issue date
- 1938
- Face value
- 50 Soviet kopek
- Colors
- Blue
- Print run
- 1,000,000
- Yvert
- SU 656
- Michel
- SU 623
- Stanley Gibbons
- SU 796
- Scott
- SU 664