Orbit of Halley's Comet 25 ст — Bulgaria, 1986
Orbit of Halley's Comet (Bulgaria, 1986), face value 25 ст, “Halley's Comet” series. Photo, catalogue value, details and photo identification.
- Series
- Halley's Comet
- Issue date
- 1986
- Face value
- 25 ст
- Colors
- Multicolor