Alexander Popov (1859-1906) antenna 40 fi — Hungary, 1948
Alexander Popov (1859-1906) antenna (Hungary, 1948), face value 40 fi, “Inventors and Explorers” series. Photo, catalogue value, details and photo…
- Series
- Inventors and Explorers
- Issue date
- 1948
- Face value
- 40 fi
- Colors
- Black violet