Micro-SIM card in a Mini SIM card adapter. The shown <a rel="nofollow" class="external text" href="http://cairon.com/en/solutions/accessories/simadapters.php">SIM-adapter</a> is patented by Cairon Group GmbH, Germany
<a href="//commons.wikimedia.org/wiki/User:Raymond" title="User:Raymond">Raimond Spekking</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>