Mars, Viking Orbiter 29 ¢ — United States, 1991
Mars, Viking Orbiter (United States, 1991), face value 29 ¢, “Space Exploration Issue” series. Photo, catalogue value, details and photo identification.
- Series
- Space Exploration Issue
- Issue date
- 1991
- Face value
- 29 ¢
- Colors
- Multicolor
- Print run
- 33,000,000