USSR
Stamp from Souvenir Sheet.
Not listed by SG.
Not listed by SG.
| Country: | USSR |
| Type: | Postage stamps |
| Series: | New constitution |
| Nominal: | 50 k |
| Year: | 1977 |
| Material: | coated with lacquer |
| Size: | 37 x 52 mm |
| Perforation: | frame 11½ x 12½ |
| Mintage: | 1,000,000 |
