Hydrological Decade UNESCO (1965-1974) 1.60 Kčs — Czechoslovakia, 1974
Hydrological Decade UNESCO (1965-1974) (Czechoslovakia, 1974), face value 1.60 Kčs, “International Hydrologic Decade” series. Photo, catalogue value…
- Series
- International Hydrologic Decade
- Issue date
- 1974
- Face value
- 1.60 Kčs
- Colors
- Multicolor
- Print run
- 441,000