Yellow version of <a href="//commons.wikimedia.org/wiki/File:Red_question_mark.svg" title="File:Red question mark.svg">Image:Red question mark.svg</a>.
Own work
2012-05-22
Derivative of <a href="//commons.wikimedia.org/wiki/File:Red_question_mark.svg" title="File:Red question mark.svg">Image:Red question mark.svg</a>