Ian Mcshane Likeness

Not perfect by any means but here is my likeness study of Ian Mcshane. I worked on this on and off for about a month. im ready to call it done and am ready to move on the the next project. I learned alot during this project and am eager to use what i learned for the next one.
I used maya, zbrush, arnold and mari for texturing. All the skin detail is sculpted in zbrush i used xyz maps for the small tertiary details