by Aurélio A. Heckert
"A GNU head" is probably originally by Etienne Suvasa.
It has been re-drawn as vector graphics by Aurélio A. Heckert. This vector graphics can be used to do t-shirts, big size prints, or high quality print in any size you wish.
This artwork is free. You can redistribute it and/or modify it according to terms of the Free Art licence.
For more information about the Free Art licence (in the spirit of the GNU GPL for software), see Copyleft Attitude.