20th Anniversary of Nationwide Telephone System 30 h — Czechoslovakia, 1973
20th Anniversary of Nationwide Telephone System (Czechoslovakia, 1973), face value 30 h, “Communications Anniversaries” series. Photo, catalogue value…
- Series
- Communications Anniversaries
- Issue date
- 1973
- Face value
- 30 h
- Colors
- Multicolor
- Print run
- 15,060,000