<a href="https://en.wikipedia.org/wiki/Exclamation_mark" class="extiw" title="w:Exclamation mark">Exclamation mark</a>. Done by <a href="//commons.wikimedia.org/wiki/User:Fibonacci" title="User:Fibonacci">Fibonacci</a> on Inkscape, simplified by hand.
<a href="//commons.wikimedia.org/wiki/User:Fibonacci" title="User:Fibonacci">Fibonacci</a>
2006-05-09
<span class="int-own-work" lang="en">Own work</span>