The Venera - 10 spacecraft was started by the Proton launch vehicle on June 14, 1975 . On October 25, 1975 the "Venus-10" lander soft-landed on a lit side of the planet in 2200 km from a point of landing of "Venus-9". From the lander television images of a surface of Venus were transferred to Earth. Meanwhile the orbital compartment of Venus-10 station orbited round Venus.
Bi-colored (composite) coin is made with the use of tantalum, the metal which is widely used in the space industry. Over coin production the technology of change of color of tantalum is applied. Commemorative coins "Venera-10" finishes a series of "Space" coins.
Bi-colored (composite) coin has the round form consisted of the concentric situated ring and disk. The internal disk of coin is made of tantalum, with application of technology of changing color on purple, an external ring from silver.