Ext. link toolbar button
<a href="//commons.wikimedia.org/w/index.php?title=User:Hobr&amp;action=edit&amp;redlink=1" class="new" title="User:Hobr (page does not exist)">Hobr</a>
2009-03-16
Self-made based on <a href="//commons.wikimedia.org/wiki/File:Button_base.png" title="File:Button base.png">Image:Button_base.png</a>