Russia
IAAS = International Association of Science Academies.
| Country: | Russia |
| Type: | Postal blocks |
| Series: | 10th Anniversary of the IAAS |
| Nominal: | 9*2.50 ₽ |
| Year: | 2003 |
| Material: | coated |
| Size: | 139 x 139 mm |
| Perforation: | comb 11½ |
| Mintage: | 34,000 |