USSR
0.08 - 0.1$
price on 16.10.2022
Exists on both ordinary and UV reactive paper.
| Country: | USSR |
| Type: | Postage stamps |
| Series: | Cosmonautics Day |
| Nominal: | 6 k |
| Year: | 1970 |
| Material: | Chalk surfaced |
| Size: | 37 x 37 mm |
| Perforation: | comb 11½ |
| Mintage: | 5,000,000 |
