Telescopes of Galileo, Newton, Cassegrain and Ritchey 21 C$ — Nicaragua, 1985
Telescopes of Galileo, Newton, Cassegrain and Ritchey (Nicaragua, 1985), face value 21 C$, “Appearance of Halley's Comet” series. Photo, catalogue value…
- Series
- Appearance of Halley's Comet
- Issue date
- 1985
- Face value
- 21 C$
- Colors
- Multicolor
- Yvert
- NI PA1122
- Michel
- NI 2626
- Stanley Gibbons
- NI 2713
- Scott
- NI 1489