Luke Ravenstahl signature
Luke Ravenstahl
Traced in Illustrator from <a href="//commons.wikimedia.org/wiki/File:Luke_Ravenstahl_signatures.png" title="File:Luke Ravenstahl signatures.png">File:Luke Ravenstahl signatures.png</a> (<a rel="nofollow" class="external autonumber" href="http://www.ura.org/pdfs/URA2005-2006Accomplishments.pdf">[1]</a>)