Russia
Joint issue Russia-Montenegro.
| Country: | Russia |
| Type: | Postal blocks |
| Series: | Cultural Heritage - Architecture |
| Nominal: | 6*15 ₽ |
| Year: | 2011 |
| Material: | coated |
| Size: | 146 x 111 mm |
| Perforation: | comb 12½ x 12 |
| Mintage: | 45,000 |