29th Anniversary of Great October Revolution
4*30 k 1947
USSR
| Country: | USSR |
| Type: | Postal blocks |
| Series: | 29th Anniversary of Great October Revolution |
| Nominal: | 4*30 k |
| Year: | 1947 |
| Material: | ordinary |
| Size: | 100 x 130 mm |
| Perforation: | Imperforate |
| Mintage: | 100,000 |