2009 Kazakhstan Soyuz-Apollo Silver Tantalum proof coin  NGC PF69 

Face value – 500 tenge.  Bi-colored (composite) coins 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.

    Obverse: the composition symbolized the unity of human being with the world and the connection between the past and present; the face value of the coin "500 TENGHE"; trademark of Kazakhstan Mint; the inscription of «Ag 925 14.6 g. Та 26.8 g. » defining the metal which the coin is made of, its fineness and weight; two inscriptions in State and English languages "REPUBLIC OF KAZAKHSTAN".

    Reverse: the image of the Soviet spaceship “Soyuz – 19” and American spaceship “Apollo”, they realized the joining on the near-earth orbit of joint experimental flight program; the name of the coin is indicated in Kazakh “SOYUZ-APOLLON” and in English  “SOYUZ-APOLLO”; “2009” means the year of coinage.

Fineness: Ag 925 14.6 ± 0.15 r/g Ta 999-26.8 ± 0.25 r/g

Weight: 41.4 g.

Diameter: 38.61 mm