The 30th International Geological Conference 20 分 — China, 1996
The 30th International Geological Conference (China, 1996), face value 20 分, “Science” series. Photo, catalogue value, details and photo identification.
- Series
- Science
- Issue date
- 1996
- Face value
- 20 分
- Colors
- Multicolor
- Yvert
- CN 3412
- Michel
- CN 2736
- Stanley Gibbons
- CN 4126
- Scott
- CN 2699