USSR
Not listed by SG.
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Happy New Year 1978 ! |
| Nominal: | 16*4 k |
| Year: | 1977 |
| Material: | coated |
| Size: | 30 x 42 mm |
| Perforation: | comb 12 x 12¼ |