USSR
Stamp from Souvenir Sheet.
Not listed by SG.
Not listed by SG.
| Country: | USSR |
| Type: | Postage stamps |
| Series: | 25th Communist Party Congress |
| Nominal: | 50 k |
| Year: | 1976 |
| Size: | 26 x 37 mm |
| Perforation: | frame 11½ x 12 |
| Mintage: | 1,250,000 |
25th Communist Party Congress
 25th Communist Party Congress (2nd issue) 1.9$ |  25th Communist Party Congress 0.12$ |  25th Communist Party Congress |