This is a Vector Version of the icon on <a href="//commons.wikimedia.org/wiki/File:Candide1759.jpg" title="File:Candide1759.jpg">File:Candide1759.jpg</a>. The file was first sent into GIMP as greyscale, desked,  ran through a quick pass of JPEG noise reduction by applying a while paint with tolerance 15%. After an extra contrast-enhancing pass using curves, the resulting image was processed by waifu2x and traced, simplified then optimized by Inkscape.
<a href="//commons.wikimedia.org/wiki/User:Arthur200000" class="mw-redirect" title="User:Arthur200000">Arthur200000</a>
<span class="int-own-work" lang="en">Own work</span>