The back face of the 20 tange of kazakhstan (1993), with Alfarabi head.
<bdi><a href="https://en.wikipedia.org/wiki/en:National_Bank_of_Kazakhstan" class="extiw" title="w:en:National Bank of Kazakhstan"><span title="central bank of Kazakhstan">National Bank of Kazakhstan</span></a>
</bdi>
<cite class="book" style="font-style:normal"><i> 2015 Standard catalog of world coins 1901-2000</i>, Krause Publications, p. 1,350  <small><a href="https://en.wikipedia.org/wiki/International_Standard_Book_Number" class="extiw" title="en:International Standard Book Number">ISBN</a>:  <a href="//commons.wikimedia.org/wiki/Special:BookSources/9781440240393" title="Special:BookSources/9781440240393">9781440240393</a>. </small></cite>