Comet, 1910, and Mt. Palomar observatory, U.S.A. 0.50 ៛ — Cambodia, 1986
Comet, 1910, and Mt. Palomar observatory, U.S.A. (Cambodia, 1986), face value 0.50 ៛, “Halley's Comet” series. Photo, catalogue value, details and photo…
- Series
- Halley's Comet
- Issue date
- 1986
- Face value
- 0.50 ៛
- Colors
- Multicolor
- Yvert
- KH 669
- Michel
- KH 785
- Stanley Gibbons
- KH 743
- Scott
- KH 707