500 Tenge Venera 10 - Space

Coin made of bi-metal. The inner disc of the coin is made of tantalum (26.8 g), the colour of which has been changed to pink, and the outer ring is made of silver (14.6 g). On the obverse of the coin there is a composition symbolizing the unity of man and the universe, the connection between the past and the present. 

Venera 10 (Russian: Венера-10 meaning Venus 10), or 4V-1 No. 661,[4] was a Soviet uncrewed space mission to Venus. It consisted of an orbiter and a lander. It was launched on June 14, 1975 03:00:31 UTC and had a mass of 5033 kg (11096 lb).