USSR
1.4 - 1.7$
price on 28.02.2023
| Country: | USSR |
| Type: | Postal blocks |
| Series: | Intercosmos Project Halley, Final Stage |
| Nominal: | 50 k |
| Year: | 1986 |
| Material: | coated |
| Size: | 65 x 90 mm |
| Perforation: | frame 12½ x 12 |
| Mintage: | 900,000 |
Intercosmos Project Halley, Final Stage
 Spacecraft "Vega-1" &"Vega-2" - Venus & Halley's Comet |  Halley's Comet & Interplanetary Probes 1.4$ |