24th International Geological Congress 15 ¢ — Canada, 1972
24th International Geological Congress (Canada, 1972), face value 15 ¢, “Earth Sciences” series. Photo, catalogue value, details and photo identification.
- Series
- Earth Sciences
- Issue date
- 1972
- Face value
- 15 ¢
- Colors
- Multicolor
- Print run
- 4,400,000