These should be those helmet pics from the magazine:
Additional info:
Additional info:
It's a personal piece by Jordan Walker (he worked on Samaritan demo and made that street fighter 2 bathhouse scene), you have early WIPs on his site, so I doubt it is art from their next game or a tech demo.
http://mutantspoon.com/
Comment that goes with those pics (in magazine) is about showing off "subtle shader effects and distinct material reflections made possible by, among other things, global illumination".