USSR
4 X Mi:SU 1072
| Country: | USSR |
| Type: | Postal blocks |
| Series: | 25th Anniversary of Soviet Postage Stamp (1921-1946) |
| Nominal: | 4*30 k |
| Year: | 1947 |
| Size: | 135 x 100 mm |
| Perforation: | Imperforate |
| Mintage: | 100,000 |
25th Anniversary of Soviet Postage Stamp (1921-1946)
 Soviet Stamps on Contour Map of the USSR |  1st Soviet Postage Stamp |  Images of Soviet Postage Stamps |