USSR
1.9 - 2.3$
price on 16.10.2022
Unique serial number at bottom right.
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Journey to North Pole of Arktika |
| Nominal: | 50 k |
| Year: | 1977 |
| Material: | coated with lacquer |
| Size: | 107 x 80 mm |
| Perforation: | frame 12½ x 12 |
| Mintage: | 500,000 |