Vector version of File:<a href="//commons.wikimedia.org/wiki/File:Barack_Obama_signature.png" title="File:Barack Obama signature.png">Barack Obama signature.png</a>, which has a description of "<b>English</b>: I simply cropped and added transparency to the image, <span style="border:1px dotted #FC0;padding:0 4px"><a href="https://en.wikipedia.org/wiki/File:BarackObamaSignature.jpg" class="extiw" title="en:File:BarackObamaSignature.jpg">BarackObamaSignature.jpg</a></span>"
<div style="display:inline-block;padding:0 3px;background-color:#CCF">Original:</div> <div style="display:inline-block;padding:3px 0;"><a href="//commons.wikimedia.org/wiki/User:Anthony5429" class="mw-redirect" title="User:Anthony5429">Anthony5429</a></div> <div style="display:inline-block;padding:0 3px;background-color:#CCF">Vector: </div> <div style="display:inline-block;"><a href="//commons.wikimedia.org/wiki/User:SyntaxError55~commonswiki" title="User:SyntaxError55~commonswiki">SyntaxError55</a></div>
<b>Original: </b> 20 May 2007;  <b>Vector: </b> 23 February 2008
Vectorized by me. Source of raster version is "Transferred from en.wikipedia. The original source is <a rel="nofollow" class="external free" href="http://obama.senate.gov/img/sig.gif">http://obama.senate.gov/img/sig.gif</a>" (&lt;-this site no longer exists) <a rel="nofollow" class="external free" href="https://web.archive.org/web/20081029203920/http://obama.senate.gov/img/sig.gif">https://web.archive.org/web/20081029203920/http://obama.senate.gov/img/sig.gif</a>] (&lt;- archived link)