Othmar H. Ammann (1879-1965) Building Engineer & Bridge 20 Ct. — Switzerland, 1979
Othmar H. Ammann (1879-1965) Building Engineer & Bridge (Switzerland, 1979), face value 20 Ct., “Publicity Issue (1979)” series. Photo, catalogue value…
- Series
- Publicity Issue (1979)
- Issue date
- 1979
- Face value
- 20 Ct.
- Colors
- Multicolor
- Print run
- 12,113,000