National Bank of Kazakhstan has released "The 20th anniversary of the Constitution of Kazakhstan" commemorative nickel silver coin on August 7th 2015 under events coin series.
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 "50 ТЕҢГЕ"; trade mark of Kazakhstan Mint; two inscriptions "ҚАЗАҚСТАН РЕСПУБЛИКАСЫ" and "REPUBLIC OF KAZAKHSTAN".
Reverse: An image of the 20th anniversary of the Constitution of Kazakhstan emblem; the number "2015" indicates the year of coinage.
50 tenge nickel silver coin.
Face value: 50 tenge;
Diameter – 31 mm, thickness – 2 mm, weight – 11,17 gram;
Mintage: 50 000 pcs.
Source of information: The National bank of Kazakhstan www.nationalbank.kz