Digital telephone & circuit diagram 75 c — Singapore, 1979
Digital telephone & circuit diagram (Singapore, 1979), face value 75 c, “100th Anniversary of the Telephone” series. Photo, catalogue value, details and…
- Series
- 100th Anniversary of the Telephone
- Issue date
- 1979
- Face value
- 75 c
- Colors
- Multicolor
- Print run
- 300,000
- Yvert
- SG 326
- Michel
- SG 334
- Stanley Gibbons
- SG 355
- Scott
- SG 328