USSR
0.58 - 0.7$
price on 03.03.2023
| Country: | USSR |
| Type: | Postal blocks |
| Series: | New constitution |
| Nominal: | 50 k |
| Year: | 1977 |
| Material: | coated with lacquer |
| Size: | 111 x 81 mm |
| Perforation: | frame 11½ x 12½ |
| Mintage: | 1,300,000 |
New constitution
 Portrait of Leonid Brezhnev and New Constitution of USSR 0.9$ |  New Constitution of USSR 0.58$ |