Number 18, white, surrounded by a rounded corner yellow rectangle.
<a href="//commons.wikimedia.org/wiki/User:Grolltech" title="User:Grolltech">Grolltech</a>, finishing work started by <a href="//commons.wikimedia.org/wiki/User:Pee_Tern" title="User:Pee Tern">User:Pee Tern</a>
<span class="int-own-work" lang="en">Own work</span>