Date of issue: 28 October, 2009.
Diameter – 31 mm, weight – 11,37 gram
Images and inscriptions of observe and back sides of coins are relief.
The lateral surface (drove) is grooved with 10 sectors of corrugation.
On the face of the coin (averse), on its upper side the state emblem of the Republic of Kazakhstan is located and under it there is a two-line inscription “50 TENGE”. From the right and left side of the denomination there is the element of national ornament. On the circumference there is the legend “NATIONAL BANK OF KAZAKHSTAN”.
On the back side of the coin, on its central part there is an image of a porcupine . On the circumference there is the legend with the name of the coin in Kazakh language and “HYSTRIX LEUCURA SATUNINI” Latin name of the bird.
Mintage: 50 000