USSR
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Centenary of Russian postage stamps |
| Nominal: | 3.60 ₽ |
| Year: | 1958 |
| Material: | ordinary |
| Size: | 155 x 106 mm |
| Perforation: | Imperforate |
| Mintage: | 500,000 |
Centenary of Russian postage stamps
 Centenary of Russian Postage Stamp |  Centenary of Russian Postage Stamp |