SOVIET PROTON ROCKET MODEL.
Polished aluminum model with brass details, 17 inches tall, mounted on 6 inch wide hexagonal lucite base, unknown manufacturer, 1960s.
Proton has been one of the most successful heavy booster rockets in the history of space flight. The first Proton rocket was launched in 1965, with the unmanned Soviet circumlunar spaceflights, prior to the US Apollo 8 mission, and is still used to this day. Aside from the numerous probes to Mars, Venus, the Moon, it is most famous for having launched the Salyut space stations, the Mir expansion modules and core segment, as well as the Zvedza and Zarya modules of the International Space Station.