Here's how to get rid of black and white noise and focus only on the minor color differences:
http://i.imgur.com/ZD3RgCo.jpgConvert to lab color, examine channel a or b, whichever has the most detail, and squeeze the most contrast you can get.
I will keep looking, but I don't think there is more information in this image at this point. The two pieces of text and the face.
