USSR
0.26 - 0.31$
price on 29.01.2023
| Country: | USSR |
| Type: | Postage stamps |
| Series: | Stamp Day and Letter Writing Week |
| Nominal: | 4 k |
| Year: | 1968 |
| Size: | 40 x 28 mm |
| Perforation: | comb 11½ |
| Mintage: | 4,000,000 |
Stamp Day and Letter Writing Week
 Letter on Windrose 0.08$ |  Stamps on Windrose (RU 155 & SU 3044) 0.26$ |