Geophysical year 20 分 — China, 1958
Geophysical year (China, 1958), face value 20 分, “Astronomy” series. Photo, catalogue value, details and photo identification.
- Series
- Astronomy
- Issue date
- 1958
- Face value
- 20 分
- Colors
- Dark blue
- Yvert
- CN 1145
- Michel
- CN 387
- Stanley Gibbons
- CN 1764
- Scott
- CN 359