See

This is one of those iconic images that an age is known by:

http://fawstin.blogspot.com/2011/05/truth-teller.html
Thanks to CGW for sending the graphic.

Mohammed unmasked

Bosch Fawstin has a great image of Mohammed for us all.

There's some commentary at the link to explain this approach to those who want some understanding of the historical Mohammed.

http://www.newsrealblog.com/2011/04/03/what-does-mohammad-look-like-unmasked/