Birth Bicentenary of Pafnuty L. Chebyshev (1821-1894)
15*40 ₽ 2021
Russia
| Country: | Russia |
| Type: | Postal blocks |
| Series: | Birth Bicentenary of Pafnuty L. Chebyshev (1821-1894) |
| Nominal: | 15*40 ₽ |
| Year: | 2021 |
| Size: | 142 x 172 mm |
| Perforation: | comb 12 x 12½ |
| Mintage: | 10,000 |