The full UK "no smoking" sign, vector version drawn by reference of <a rel="nofollow" class="external autonumber" href="http://www.rainbowsafety.co.uk/Images/Dynamic/Product/Zoom/1980_633679592253593750.jpg">[1]</a>
<a href="//commons.wikimedia.org/wiki/User:INVERTED" title="User:INVERTED">INVERTED</a>
<span class="int-own-work" lang="en">Own work</span>