Russia
Perforation: 'Ks 12' for Michel (meaning 'Harrow 12' for Colnect)
| Country: | Russia |
| Type: | Postal blocks |
| Nominal: | 150 ₽ |
| Year: | 2024 |
| Material: | Chalk surfaced |
| Size: | 120 x 80 mm |
| Perforation: | 11¾ x 12 |
| Mintage: | 19,000 |
