Viktor Kaplan (1876-1934) Kaplan turbine 64+64 Austrian groschen — Austria, 1936
Viktor Kaplan (1876-1934) Kaplan turbine (Austria, 1936), face value 64+64 Austrian groschen, “Inventors” series. Photo, catalogue value, details and photo…
- Series
- Inventors
- Issue date
- 1936
- Face value
- 64+64 Austrian groschen
- Colors
- Opal green
- Print run
- 130,000
- Yvert
- AT 494
- Michel
- AT 637
- Stanley Gibbons
- AT 803
- Scott
- AT B151