Based on Mike Mitchell's (http://sirmikeofmitchell.com/) Robocop from the JLU series.
Additional resolutions
http://www.slid3.com/3D/MikeMitchell_RoboCop_2560.jpg
http://www.slid3.com/3D/MikeMitchell_RoboCop_1920.jpg
http://www.slid3.com/3D/MikeMitchell_RoboCop_1280.jpg