PD mop - usual admin-sign
<ul><li><a href="//commons.wikimedia.org/wiki/File:Admin_mop.PNG" title="File:Admin mop.PNG">Admin mop.PNG</a>: see <a href="//commons.wikimedia.org/wiki/File:Admin_mop.PNG#filehistory" title="File:Admin mop.PNG">File:Admin mop.PNG#filehistory</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User_talk:AwOc" title="User talk:AwOc">AwOc</a></li></ul>
<a href="//commons.wikimedia.org/wiki/File:Admin_mop.PNG" title="File:Admin mop.PNG">Admin mop.PNG</a>