Czechoslovakia
0.24 - 0.29$
price on 07.12.2022
Stamp No. 2077 - 2081 - Best Marks 1974 - UNESCO prize
| Country: | Czechoslovakia |
| Type: | Postage stamps |
| Series: | International Hydrologic Decade |
| Nominal: | 60 h |
| Year: | 1974 |
| Size: | 45 x 55 mm |
| Perforation: | comb 11¾ |
| Mintage: | 530,000 |
International Hydrologic Decade
