USSR
1.3 - 1.6$
price on 01.03.2023
Unique serial number at top right.
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Antarctic Drift of Mikhail Somov |
| Nominal: | 50 k |
| Year: | 1986 |
| Material: | coated |
| Size: | 70 x 90 mm |
| Perforation: | frame 12¼ x 11¼ |
| Mintage: | 800,000 |
Antarctic Drift of Mikhail Somov
 Antarctic Drift of "Mikhail Somov" |  Antarctic Drift of "Mikhail Somov" 1.3$ |