Check mark. Created by <a href="//commons.wikimedia.org/wiki/User:Da_Man2" title="User:Da Man2">Da Man2</a> in <a href="https://en.wikipedia.org/wiki/Paint_(software)" class="extiw" title="w:Paint (software)">Microsoft Paint</a>. It can be used for any purpose, provided that you properly attribute me by saying "Made by Da Man2 on Wikimedia Commons (as detailed below)
<a href="//commons.wikimedia.org/wiki/User:Da_Man2" title="User:Da Man2">Da Man2</a> SVG: <a href="//commons.wikimedia.org/wiki/User:Doodledoo" title="User:Doodledoo">Doodledoo</a> 22:11, 23 July 2007 (UTC)
CC BY 2.5
SVG replacement by Doodledoo.